| Continental cups (clubs) – America – Copa Libertadores | 2021 |  | 23 February–27 November |
| Atlantic – Transat Jacques Vabre – Ultime | 2021 | | 7–27 November |
| Atlantic – Transat Jacques Vabre – Monohulls | 2021 | | 7–25 November |
| Atlantic – Transat Jacques Vabre – Multihulls | 2021 | | 7–24 November |
| World Series of Poker – Main event | 2021 | | 30 September–23 November |
| ATP Tour – ATP Tour Finals – Men's singles | 2021 | | 14–21 November |
| ATP Tour – ATP Tour Finals – Men's singles (Final) | 2021 | | 21 November |
| Formula 1 – Grand Prix – Qatar Grand Prix | 2021 | | 21 November |
| ATP Tour – ATP Tour Finals – Men's singles (Semifinal #1) | 2021 | | 20 November |
| ATP Tour – ATP Tour Finals – Men's singles (Semifinal #2) | 2021 | | 20 November |
| Others – Dave Gallaher Trophy (Match 1) | 2021 | | 20 November |
| Others – Dave Gallaher Trophy | 2021 | | 20 November |
| WTA Tour – WTA Finals – Women's singles | 2021 | | 10–17 November |
| Formula 1 – Grand Prix – São Paulo Grand Prix | 2021 | | 14 November |
| World Marathon Majors – New York Marathon – Men | 2021 | | 7 November |
| World Marathon Majors – New York Marathon – Women | 2021 | | 7 November |
| ATP Tour – ATP Masters 1000 – Paris | 2021 | | 1–7 November |
| Formula 1 – Grand Prix – Mexican Grand Prix | 2021 | | 7 November |
| Ultimate Fighting Championship – Men – Welterweight | 2021 | | 6 November |
| Ultimate Fighting Championship – Women – Strawweight | 2021 | | 6 November |
| Others – Bille Jean King Cup | 2021 | | 7 February–6 November |
| MLB – Championships – World Series | 2021 | | 26 October–2 November |
| MLB – Championships – World Series (World Series) | 2021 | | 26 October–2 November |
| Ultimate Fighting Championship – Men – Bantamweight | 2021 | | 30 October |
| Ultimate Fighting Championship – Men – Light-heavyweight | 2021 | | 30 October |
| Formula 1 – Grand Prix – United States Grand Prix | 2021 | | 24 October |
| MLB – Championships – World Series (NL Championship Series) | 2021 | | 16–23 October |
| MLB – Championships – World Series (AL Championship Series) | 2021 | | 15–22 October |
| World Championships – Women – Jump | 2021 | | 13–17 October |
| World Rally Championship (WRC) – Rallies – Rally Spain (Catalunya) | 2021 | | 14–17 October |
| Others – Thomas Cup | 2020 | | 9–17 October |
| Others – Uber Cup | 2020 | | 9–17 October |
| World Championships – Men – Overall | 2021 | | 12–17 October |
| World Championships – Men – Jump | 2021 | | 13–17 October |
| World Championships – Women – Overall | 2021 | | 12–17 October |
| World Championships – Men – Tricks | 2021 | | 13–17 October |
| ATP Tour – ATP Masters 1000 – Indian Wells | 2021 | | 6–17 October |
| World Championships – Women – Tricks | 2021 | | 13–16 October |
| World Championships – Women – Slalom | 2021 | | 12–16 October |
| World Championships – Men – Slalom | 2021 | | 12–16 October |
| MLB – Championships – World Series (NL Division Series #1) | 2021 | | 8–14 October |
| MLB – Championships – World Series (AL Division Series #2) | 2021 | | 7–12 October |
| MLB – Championships – World Series (NL Division Series #2) | 2021 | | 8–12 October |
| MLB – Championships – World Series (AL Division Series #1) | 2021 | | 7–11 October |
| Formula 1 – Grand Prix – Turkish Grand Prix | 2021 | | 10 October |
| Others – Paris-Tours | 2021 | | 10 October |
| World Championship – Men – Heavyweight | 2021 | | 9 October |
| UCI World Tour – Giro di Lombardia | 2021 | | 9 October |
| MLB – Championships – World Series (NL Wild Card Game) | 2021 | | 6 October |
| MLB – Championships – World Series (AL Wild Card Game) | 2021 | | 5 October |
| World Cup – Results | 2021 | | 12 September–3 October |
| UCI World Tour – Paris-Roubaix | 2021 | | 3 October |
| Southern hemisphere – Rugby Championship | 2021 | | 14 August–2 October |
| Southern hemisphere – Rugby Championship (Match 6) | 2021 | | 2 October |
| Southern hemisphere – Rugby Championship (Match 6) | 2021 | | 2 October |
| Southern hemisphere – Freedom Cup (Match 2) | 2021 | | 2 October |
| Southern hemisphere – Freedom Cup | 2021 | | 25 September–2 October |
| European League of Football – Championships – Championship Game | 2021 | | 26 September |
| World Marathon Majors – Berlin Marathon – Women | 2021 | | 26 September |
| World Championships – Men – Road race | 2021 | | 26 September |
| Honbasho – Aki Basho (September) | 2021 | | 12–26 September |
| Others – Ryder Cup | 2021 | | 24–26 September |
| World Marathon Majors – Berlin Marathon – Men | 2021 | | 26 September |
| Formula 1 – Grand Prix – Russian Grand Prix | 2021 | | 26 September |
| World Championship – Men – Heavyweight | 2021 | | 25 September |
| World Championships – Women – Road race | 2021 | | 25 September |
| Southern hemisphere – Rugby Championship (Match 5) | 2021 | | 25 September |
| Ultimate Fighting Championship – Women – Flyweight | 2021 | | 25 September |
| Southern hemisphere – Freedom Cup (Match 1) | 2021 | | 25 September |
| Ultimate Fighting Championship – Men – Featherweight | 2021 | | 25 September |
| Southern hemisphere – Rugby Championship (Match 5) | 2021 | | 25 September |
| World Championships – Women – Time trial | 2021 | | 20 September |
| Europe Top-16 – Women | 2021 | | 18–19 September |
| Europe Top-16 – Men | 2021 | | 18–19 September |
| Continental championships – Europe – Men | 2021 | | 1–19 September |
| World Championships – Men – Time trial | 2021 | | 19 September |
| Southern hemisphere – Rugby Championship (Match 4) | 2021 | | 18 September |
| Southern hemisphere – Rugby Championship (Match 4) | 2021 | | 18 September |
| ATP Tour – Grand Slam – US Open (Final) | 2021 | | 12 September |
| Southern hemisphere – Rugby Championship (Match 3) | 2021 | | 12 September |
| Southern hemisphere – Rugby Championship (Match 3) | 2021 | | 12 September |
| ATP Tour – Grand Slam – US Open | 2021 | | 30 August–12 September |
| World Rally Championship (WRC) – Rallies – Rally Greece (Acropolis) | 2021 | | 9–12 September |
| Formula 1 – Grand Prix – Italian Grand Prix | 2021 | | 12 September |
| WTA Tour – Grand Slam – US Open (Final) | 2021 | | 11 September |
| WTA Tour – Grand Slam – US Open | 2021 | | 30 August–11 September |
| ATP Tour – Grand Slam – US Open (Semifinal #2) | 2021 | | 10 September |
| ATP Tour – Grand Slam – US Open (Semifinal #1) | 2021 | | 10 September |
| Diamond League – Men – High jump | 2021 | | 9 September |
| WTA Tour – Grand Slam – US Open (Semifinal #2) | 2021 | | 9 September |
| WTA Tour – Grand Slam – US Open (Semifinal #1) | 2021 | | 9 September |
| Diamond League – Women – Javelin throw | 2021 | | 9 September |
| Diamond League – Women – Discus throw | 2021 | | 9 September |
| Diamond League – Women – Triple jump | 2021 | | 9 September |
| Diamond League – Women – Pole vault | 2021 | | 9 September |
| Diamond League – Women – 3000 m steeple | 2021 | | 9 September |
| Diamond League – Women – 400 m hurdles | 2021 | | 9 September |
| Diamond League – Women – 100 m hurdles | 2021 | | 9 September |
| Diamond League – Women – 1500 m | 2021 | | 9 September |
| Diamond League – Women – 800 m | 2021 | | 9 September |
| Diamond League – Women – 400 m | 2021 | | 9 September |
| Diamond League – Women – 200 m | 2021 | | 9 September |
| Diamond League – Women – 100 m | 2021 | | 9 September |
| Diamond League – Men – Javelin throw | 2021 | | 9 September |
| Diamond League – Men – Discus throw | 2021 | | 9 September |
| Diamond League – Men – Triple jump | 2021 | | 9 September |
| Diamond League – Men – Pole vault | 2021 | | 9 September |
| Diamond League – Men – 3000 m steeple | 2021 | | 9 September |
| Diamond League – Men – 400 m hurdles | 2021 | | 9 September |
| Diamond League – Men – 110 m hurdles | 2021 | | 9 September |
| Diamond League – Men – 1500 m | 2021 | | 9 September |
| Diamond League – Men – 800 m | 2021 | | 9 September |
| Diamond League – Men – 400 m | 2021 | | 9 September |
| Diamond League – Men – 200 m | 2021 | | 9 September |
| Diamond League – Men – 100 m | 2021 | | 9 September |
| Diamond League – Men – 5000 m | 2021 | | 8 September |
| Diamond League – Women – High jump | 2021 | | 8 September |
| Diamond League – Men – Shot put | 2021 | | 8 September |
| ATP Tour – Grand Slam – US Open (Quarterfinal #1) | 2021 | | 8 September |
| ATP Tour – Grand Slam – US Open (Quarterfinal #2) | 2021 | | 8 September |
| ATP Tour – Grand Slam – US Open (Quarterfinal #3) | 2021 | | 8 September |
| ATP Tour – Grand Slam – US Open (Quarterfinal #4) | 2021 | | 8 September |
| Diamond League – Women – 5000 m | 2021 | | 8 September |
| Diamond League – Women – Shot put | 2021 | | 8 September |
| Diamond League – Women – Long jump | 2021 | | 8 September |
| Diamond League – Men – Long jump | 2021 | | 8 September |
| WTA Tour – Grand Slam – US Open (Quarterfinal #3) | 2021 | | 7 September |
| WTA Tour – Grand Slam – US Open (Quarterfinal #1) | 2021 | | 7 September |
| WTA Tour – Grand Slam – US Open (Quarterfinal #4) | 2021 | | 7 September |
| WTA Tour – Grand Slam – US Open (Quarterfinal #2) | 2021 | | 7 September |
| UCI World Tour – Vuelta a España – General standings | 2021 | | 14 August–5 September |
| Southern hemisphere – Rugby Championship (Match 2) | 2021 | | 5 September |
| Southern hemisphere – Bledisloe Cup (Match 3) | 2021 | | 5 September |
| Southern hemisphere – Bledisloe Cup | 2021 | | 7 August–5 September |
| Formula 1 – Grand Prix – Dutch Grand Prix | 2021 | | 5 September |
| Formula 1 – Grand Prix – Belgian Grand Prix | 2021 | | 29 August |
| World Cup – Men – Results | 2021 | | 19–29 August |
| Ultra-Trail du Mont-Blanc – Women | 2021 | | 28 August |
| Ultra-Trail du Mont-Blanc – Men | 2021 | | 28 August |
| 24 hours of Le Mans – Drivers | 2021 | | 21–22 August |
| ATP Tour – ATP Masters 1000 – Cincinnati | 2021 | | 15–22 August |
| Southern hemisphere – Rugby Championship (Match 2) | 2021 | | 21 August |
| World Championships – Men – Standard | 2022 | | 20 August |
| World Rally Championship (WRC) – Rallies – Rally Belgium (Ypres) | 2021 | | 13–15 August |
| ATP Tour – ATP Masters 1000 – Montreal/Toronto | 2021 | | 6–15 August |
| Southern hemisphere – Rugby Championship (Match 1) | 2021 | | 14 August |
| Southern hemisphere – Rugby Championship (Match 1) | 2021 | | 14 August |
| Southern hemisphere – Bledisloe Cup (Match 2) | 2021 | | 14 August |
| Olympic Games – Women | 2021 | | 25 July–8 August |
| Olympic Games – Women | 2021 | | 25 July–8 August |
| Olympic Games – Women – Omnium | 2021 | | 8 August |
| Olympic Games – Women – Individual sprint | 2021 | | 6–8 August |
| Olympic Games – Men – Marathon | 2021 | | 8 August |
| Olympic Games – Women – Group all-around | 2021 | | 7–8 August |
| Olympic Games – Women | 2021 | | 26 July–8 August |
| Olympic Games – Men – Lightweight | 2021 | | 25 July–8 August |
| Olympic Games – Men – Super-heavyweight | 2021 | | 24 July–8 August |
| Olympic Games – Women – Lightweight | 2021 | | 27 July–8 August |
| Olympic Games – Women – Middleweight | 2021 | | 28 July–8 August |
| Olympic Games – Men – Keirin | 2021 | | 7–8 August |
| Olympic Games – Men | 2021 | | 25 July–8 August |
| Olympic Games – Men – 1500 m | 2021 | | 3–7 August |
| Olympic Games – Men | 2021 | | 25 July–7 August |
| Southern hemisphere – Lions Tour | 2021 | | 3 July–7 August |
| Olympic Games – Men – Flyweight | 2021 | | 26 July–7 August |
| Olympic Games – Men – Sprint, C-1 1000 m | 2021 | | 6–7 August |
| Olympic Games – Women – Welterweight | 2021 | | 24 July–7 August |
| Olympic Games – Men | 2021 | | 24 July–7 August |
| Olympic Games – Men – Middleweight | 2021 | | 26 July–7 August |
| Southern hemisphere – Bledisloe Cup (Match 1) | 2021 | | 7 August |
| Olympic Games – Women – Individual all-around | 2021 | | 6–7 August |
| Southern hemisphere – Lions Tour (Round 3) | 2021 | | 7 August |
| Olympic Games – Women – Flyweight | 2021 | | 25 July–7 August |
| Olympic Games – Women – 10000 m | 2021 | | 7 August |
| Olympic Games – Team jumping | 2021 | | 6–7 August |
| Olympic Games – Men – Madison | 2021 | | 7 August |
| Ultimate Fighting Championship – Men – Heavyweight | 2021 | | 7 August |
| Olympic Games – Men | 2021 | | 22 July–7 August |
| Olympic Games – Women – 4x400 m | 2021 | | 5–7 August |
| Olympic Games – Women – Marathon | 2021 | | 7 August |
| Olympic Games – Men – Javelin throw | 2021 | | 4–7 August |
| Olympic Games – Women – High jump | 2021 | | 5–7 August |
| Olympic Games – Men – Freestyle – 97 kg | 2021 | | 6–7 August |
| Olympic Games – Women – Freestyle – 50 kg | 2021 | | 6–7 August |
| Olympic Games – Men – 10 m platform | 2021 | | 6–7 August |
| Olympic Games – Women | 2021 | | 4–7 August |
| Olympic Games – Women – Sprint, K-4 500 m | 2021 | | 6–7 August |
| Olympic Games – Men – 4x400 m | 2021 | | 6–7 August |
| Olympic Games – Team | 2021 | | 6–7 August |
| Olympic Games – Men | 2021 | | 24 July–7 August |
| Olympic Games – Women | 2021 | | 24 July–7 August |
| Olympic Games – Women – Kumite – +61 kg | 2021 | | 7 August |
| Olympic Games – Men – Freestyle – 65 kg | 2021 | | 6–7 August |
| Olympic Games – Women – Sprint, C-2 500 m | 2021 | | 6–7 August |
| Olympic Games – Men | 2021 | | 28 July–7 August |
| Olympic Games – Men – Kumite – +75 kg | 2021 | | 7 August |
| Olympic Games – Men | 2021 | | 24 July–7 August |
| Olympic Games – Men – Sprint, K-4 500 m | 2021 | | 6–7 August |
| Modern pentathlon | Olympic Games – Men | 2021 | | 5–7 August |
| Olympic Games – Women | 2021 | | 24 July–6 August |
| Olympic Games – Women – 400 m | 2021 | | 3–6 August |
| Modern pentathlon | Olympic Games – Women | 2021 | | 5–6 August |
| Olympic Games – Women – 4x100 m | 2021 | | 5–6 August |
| Olympic Games – Women – 20 km walk | 2021 | | 6 August |
| Olympic Games – Women – Javelin throw | 2021 | | 3–6 August |
| Olympic Games – Women – Kumite – 61 kg | 2021 | | 6 August |
| Olympic Games – Men – Kumite – 75 kg | 2021 | | 6 August |
| Olympic Games – Men – Kata | 2021 | | 6 August |
| Olympic Games – Women – 1500 m | 2021 | | 2–6 August |
| Olympic Games – Men's teams | 2021 | | 1–6 August |
| Olympic Games – Men – Heavyweight | 2021 | | 24 July–6 August |
| Olympic Games – Women – Combined | 2021 | | 4–6 August |
| Olympic Games – Men – Individual sprint | 2021 | | 4–6 August |
| Olympic Games – Women – Freestyle – 53 kg | 2021 | | 5–6 August |
| Olympic Games – Men – Freestyle – 125 kg | 2021 | | 5–6 August |
| Olympic Games – Men – Freestyle – 74 kg | 2021 | | 5–6 August |
| Olympic Games – Women | 2021 | | 21 July–6 August |
| Olympic Games – Women – Madison | 2021 | | 6 August |
| Olympic Games – Women | 2021 | | 24 July–6 August |
| Olympic Games – Men – 4x100 m | 2021 | | 5–6 August |
| Olympic Games – Men – 5000 m | 2021 | | 3–6 August |
| Olympic Games – Men – 50 km walk | 2021 | | 6 August |
| Olympic Games – Men – Sprint, K-2 1000 m | 2021 | | 4–5 August |
| Olympic Games – Women – Kata | 2021 | | 5 August |
| Olympic Games – Men – 400 m | 2021 | | 1–5 August |
| Olympic Games – Women – 10 m platform | 2021 | | 4–5 August |
| Olympic Games – Men – 10 km marathon | 2021 | | 5 August |
| Olympic Games – Men – Freestyle – 86 kg | 2021 | | 4–5 August |
| Olympic Games – Women – Keirin | 2021 | | 4–5 August |
| Olympic Games – Men – Triple jump | 2021 | | 3–5 August |
| Olympic Games – Men – Shot put | 2021 | | 3–5 August |
| Olympic Games – Men – 20 km walk | 2021 | | 5 August |
| Olympic Games – Women's teams | 2021 | | 1–5 August |
| Olympic Games – Men – Decathlon | 2021 | | 4–5 August |
| Olympic Games – Men – Combined | 2021 | | 3–5 August |
| Olympic Games – Men – Featherweight | 2021 | | 24 July–5 August |
| Olympic Games – Men – Freestyle – 57 kg | 2021 | | 4–5 August |
| Olympic Games – Men – Sprint, K-1 200 m | 2021 | | 4–5 August |
| Olympic Games – Men – Kumite – 67 kg | 2021 | | 5 August |
| Olympic Games – Women – Sprint, C-1 200 m | 2021 | | 4–5 August |
| Olympic Games – Women – Kumite – 55 kg | 2021 | | 5 August |
| Olympic Games – Women – Sprint, K-1 500 m | 2021 | | 4–5 August |
| Olympic Games – Women – Heptathlon | 2021 | | 4–5 August |
| Olympic Games – Men | 2021 | | 24 July–5 August |
| Olympic Games – Men – Park | 2021 | | 5 August |
| Olympic Games – Women – Freestyle – 57 kg | 2021 | | 4–5 August |
| Olympic Games – Men – Omnium | 2021 | | 5 August |
| Olympic Games – Men – 110 m hurdles | 2021 | | 3–5 August |
| Olympic Games – Women – Pole vault | 2021 | | 2–5 August |
| Olympic Games – Women – Park | 2021 | | 4 August |
| Olympic Games – Men – Greco-roman – 67 kg | 2021 | | 3–4 August |
| Olympic Games – Men – 200 m | 2021 | | 3–4 August |
| Olympic Games – Men – 800 m | 2021 | | 31 July–4 August |
| Olympic Games – Men – +109 kg | 2021 | | 4 August |
| Olympic Games – Individual jumping | 2021 | | 3–4 August |
| Olympic Games – Men – Hammer throw | 2021 | | 2–4 August |
| Olympic Games – Women – 3000 m steeple | 2021 | | 1–4 August |
| Olympic Games – Duet | 2021 | | 2–4 August |
| Olympic Games – Women – Freestyle – 62 kg | 2021 | | 3–4 August |
| Olympic Games – Men – Team pursuit | 2021 | | 2–4 August |
| Olympic Games – Women – 400 m hurdles | 2021 | | 31 July–4 August |
| Olympic Games – Women – 10 km marathon | 2021 | | 4 August |
| Olympic Games – Men – Greco-roman – 87 kg | 2021 | | 3–4 August |
| Olympic Games – Men – Light-heavyweight | 2021 | | 25 July–4 August |
| Olympic Games – Women – Freestyle – 68 kg | 2021 | | 2–3 August |
| Olympic Games – Men – Horizontal bar | 2021 | | 24 July–3 August |
| Olympic Games – Men – Parallel bars | 2021 | | 24 July–3 August |
| Olympic Games – Women – Balance beam | 2021 | | 25 July–3 August |
| Olympic Games – Men – 400 m hurdles | 2021 | | 30 July–3 August |
| Olympic Games – Men – Pole vault | 2021 | | 31 July–3 August |
| Olympic Games – Women – 200 m | 2021 | | 2–3 August |
| Olympic Games – Women – 800 m | 2021 | | 30 July–3 August |
| Olympic Games – Women – Long jump | 2021 | | 1–3 August |
| Olympic Games – Women – Hammer throw | 2021 | | 1–3 August |
| Olympic Games – Men – Welterweight | 2021 | | 24 July–3 August |
| Olympic Games – Women – Featherweight | 2021 | | 24 July–3 August |
| Olympic Games – Men – Sprint, C-2 1000 m | 2021 | | 2–3 August |
| Olympic Games – Men – Sprint, K-1 1000 m | 2021 | | 2–3 August |
| Olympic Games – Women – Sprint, K-1 200 m | 2021 | | 2–3 August |
| Olympic Games – Women – Sprint, K-2 500 m | 2021 | | 2–3 August |
| Olympic Games – Men – 3 m springboard | 2021 | | 2–3 August |
| Olympic Games – Men – Finn | 2021 | | 27 July–3 August |
| Olympic Games – Men – Team sprint | 2021 | | 3 August |
| Olympic Games – Women – Team pursuit | 2021 | | 2–3 August |
| Olympic Games – Men – 109 kg | 2021 | | 3 August |
| Olympic Games – Men – Greco-roman – 77 kg | 2021 | | 2–3 August |
| Olympic Games – Men – Greco-roman – 97 kg | 2021 | | 2–3 August |
| Olympic Games – Women – 49er FX | 2021 | | 27 July–2 August |
| Olympic Games – Team eventing | 2021 | | 30 July–2 August |
| Olympic Games – Women – 87 kg | 2021 | | 2 August |
| Olympic Games – Men – 3000 m steeple | 2021 | | 30 July–2 August |
| Olympic Games – Men – Pistol – 25 m rapid fire pistol | 2021 | | 1–2 August |
| Olympic Games – Women's doubles | 2021 | | 24 July–2 August |
| Olympic Games – Men – Rifle – 50 m rifle, 3 positions | 2021 | | 2 August |
| Olympic Games – Men – Rings | 2021 | | 24 July–2 August |
| Olympic Games – Men – Long jump | 2021 | | 31 July–2 August |
| Olympic Games – Men's singles | 2021 | | 24 July–2 August |
| Olympic Games – Men – Vault | 2021 | | 24 July–2 August |
| Olympic Games – Women – Discus throw | 2021 | | 31 July–2 August |
| Olympic Games – Women – 100 m hurdles | 2021 | | 31 July–2 August |
| Olympic Games – Women – 5000 m | 2021 | | 30 July–2 August |
| Olympic Games – Women – Floor | 2021 | | 25 July–2 August |
| Olympic Games – Individual eventing | 2021 | | 30 July–2 August |
| Olympic Games – Men – Greco-roman – 130 kg | 2021 | | 1–2 August |
| Olympic Games – Women – +87 kg | 2021 | | 2 August |
| Olympic Games – Women – Freestyle – 76 kg | 2021 | | 1–2 August |
| Olympic Games – Men – 49er | 2021 | | 27 July–2 August |
| Olympic Games – Men – 470 | 2021 | | 28 July–2 August |
| Olympic Games – Men – Greco-roman – 60 kg | 2021 | | 1–2 August |
| Olympic Games – Women – Team sprint | 2021 | | 2 August |
| Olympic Games – Women – 470 | 2021 | | 28 July–2 August |
| Olympic Games – Women – 4x100 m medley | 2021 | | 30 July–1 August |
| Olympic Games – Men – Pommel horse | 2021 | | 24 July–1 August |
| Olympic Games – Men | 2021 | | 29 July–1 August |
| Olympic Games – Mixed doubles | 2021 | | 28 July–1 August |
| Olympic Games – Women's doubles | 2021 | | 24 July–1 August |
| Olympic Games – Men's singles | 2021 | | 24 July–1 August |
| Olympic Games – Women – Uneven bars | 2021 | | 25 July–1 August |
| Olympic Games – Women – Vault | 2021 | | 25 July–1 August |
| Olympic Games – Men – 100 m | 2021 | | 31 July–1 August |
| Olympic Games – Men – Laser | 2021 | | 25 July–1 August |
| Olympic Games – Mixed – Nacra 17 | 2021 | | 25 July–1 August |
| Olympic Games – Women – Laser radial | 2021 | | 25 July–1 August |
| Olympic Games – Men – High jump | 2021 | | 30 July–1 August |
| Formula 1 – Grand Prix – Hungarian Grand Prix | 2021 | | 1 August |
| Olympic Games – Women – Triple jump | 2021 | | 30 July–1 August |
| Olympic Games – Women – Shot put | 2021 | | 30 July–1 August |
| Olympic Games – Men – 50 m freestyle | 2021 | | 30 July–1 August |
| Olympic Games – Men – Freestyle | 2021 | | 31 July–1 August |
| Olympic Games – Women – Freestyle | 2021 | | 31 July–1 August |
| Olympic Games – Men – 1500 m freestyle | 2021 | | 30 July–1 August |
| Olympic Games – Women's singles | 2021 | | 24 July–1 August |
| Continental cups (nations) – Gold Cup | 2021 | | 10 July–1 August |
| Olympic Games – Men – 4x100 m medley | 2021 | | 30 July–1 August |
| Olympic Games – Women – 50 m freestyle | 2021 | | 30 July–1 August |
| Olympic Games – Men – Floor | 2021 | | 24 July–1 August |
| Olympic Games – Women – 76 kg | 2021 | | 1 August |
| Olympic Games – Men – Team foil | 2021 | | 1 August |
| Olympic Games – Mixed – 4x400 m | 2021 | | 30–31 July |
| Olympic Games – Women | 2021 | | 29–31 July |
| Olympic Games – Mixed relay | 2021 | | 31 July |
| UCI World Tour – Clásica San Sebastián | 2021 | | 31 July |
| Olympic Games – Women – 3 m springboard | 2021 | | 30–31 July |
| Olympic Games – Women – Individual | 2021 | | 23–31 July |
| Olympic Games – Women's singles | 2021 | | 24–31 July |
| Olympic Games – Women – 200 m backstroke | 2021 | | 29–31 July |
| Olympic Games – Women – Team sabre | 2021 | | 31 July |
| Olympic Games – Men – 96 kg | 2021 | | 31 July |
| Olympic Games – Men – Individual | 2021 | | 23–31 July |
| Southern hemisphere – Lions Tour (Round 2) | 2021 | | 31 July |
| Olympic Games – Women – Rifle – 50 m rifle, 3 positions | 2021 | | 31 July |
| Olympic Games – Men | 2021 | | 31 July |
| Olympic Games – Women – 800 m freestyle | 2021 | | 29–31 July |
| Olympic Games – Mixed – Shotgun – Trap | 2021 | | 31 July |
| Olympic Games – Women – RS:X | 2021 | | 25–31 July |
| Olympic Games – Women – 100 m | 2021 | | 30–31 July |
| Olympic Games – Men – RS:X | 2021 | | 25–31 July |
| Olympic Games – Men – 81 kg | 2021 | | 31 July |
| Olympic Games – Men – Discus throw | 2021 | | 30–31 July |
| Olympic Games – Mixed – Team | 2021 | | 31 July |
| Olympic Games – Mixed – 4x100 m medley | 2021 | | 29–31 July |
| Olympic Games – Men's doubles | 2021 | | 24–31 July |
| Olympic Games – Men – 100 m butterfly | 2021 | | 29–31 July |
| Olympic Games – Men – Slalom, K-1 | 2021 | | 28–30 July |
| Olympic Games – Men – Single sculls | 2021 | | 23–30 July |
| Olympic Games – Men – Eights | 2021 | | 24–30 July |
| Olympic Games – Women – Single sculls | 2021 | | 23–30 July |
| Olympic Games – Women – Eights | 2021 | | 24–30 July |
| Olympic Games – Women – Pistol – 25 m pistol | 2021 | | 29–30 July |
| Olympic Games – Men – 200 m backstroke | 2021 | | 28–30 July |
| Olympic Games – Men – 200 m medley | 2021 | | 28–30 July |
| Olympic Games – Women – 100 m freestyle | 2021 | | 28–30 July |
| Olympic Games – Women – 200 m breaststroke | 2021 | | 28–30 July |
| Olympic Games – Men – +100 kg | 2021 | | 30 July |
| Olympic Games – Men's singles | 2021 | | 24–30 July |
| Olympic Games – Men's doubles | 2021 | | 24–30 July |
| Olympic Games – Women | 2021 | | 30 July |
| Olympic Games – Men – Team epée | 2021 | | 30 July |
| Olympic Games – Mixed doubles | 2021 | | 24–30 July |
| Olympic Games – Women – Racing | 2021 | | 29–30 July |
| Olympic Games – Men – Racing | 2021 | | 29–30 July |
| Olympic Games – Men – 10000 m | 2021 | | 30 July |
| Olympic Games – Women – +78 kg | 2021 | | 30 July |
| Olympic Games – Women – Lightweight double sculls | 2021 | | 24–29 July |
| Olympic Games – Women – 200 m butterfly | 2021 | | 27–29 July |
| Olympic Games – Women – Shotgun – Trap | 2021 | | 28–29 July |
| Olympic Games – Women – 78 kg | 2021 | | 29 July |
| Olympic Games – Men – Coxless pairs | 2021 | | 24–29 July |
| Olympic Games – Women – Slalom, C-1 | 2021 | | 28–29 July |
| Olympic Games – Men – 200 m breaststroke | 2021 | | 27–29 July |
| Olympic Games – Women's singles | 2021 | | 24–29 July |
| Olympic Games – Women – Team foil | 2021 | | 29 July |
| Olympic Games – Men – 800 m freestyle | 2021 | | 27–29 July |
| Olympic Games – Women – 4x200 m freestyle | 2021 | | 28–29 July |
| Olympic Games – Men – 100 kg | 2021 | | 29 July |
| Olympic Games – Women – Coxless pairs | 2021 | | 24–29 July |
| Olympic Games – Women – Individual all-around | 2021 | | 29 July |
| Olympic Games – Men – Shotgun – Trap | 2021 | | 28–29 July |
| NBA – Draft | 2021 | | 29 July |
| Olympic Games – Men – Lightweight double sculls | 2021 | | 24–29 July |
| Olympic Games – Men – 100 m freestyle | 2021 | | 27–29 July |
| Olympic Games – Women – Coxless fours | 2021 | | 24–28 July |
| Olympic Games – Men – 200 m butterfly | 2021 | | 26–28 July |
| Olympic Games – Men – Team sabre | 2021 | | 28 July |
| Olympic Games – Men | 2021 | | 24–28 July |
| Olympic Games – Women | 2021 | | 24–28 July |
| Olympic Games – Women – 70 kg | 2021 | | 28 July |
| Olympic Games – Men – Double sculls | 2021 | | 23–28 July |
| Olympic Games – Women – Double sculls | 2021 | | 23–28 July |
| Olympic Games – Men – 73 kg | 2021 | | 28 July |
| Olympic Games – Women – 200 m medley | 2021 | | 26–28 July |
| Olympic Games – Women – 1500 m freestyle | 2021 | | 26–28 July |
| Olympic Games – Men | 2021 | | 26–28 July |
| Olympic Games – Men – Coxless fours | 2021 | | 24–28 July |
| Olympic Games – Women – 200 m freestyle | 2021 | | 26–28 July |
| Olympic Games – Men – Individual all-around | 2021 | | 24–28 July |
| Olympic Games – Men – 4x200 m freestyle | 2021 | | 27–28 July |
| Olympic Games – Individual dressage | 2021 | | 24–28 July |
| Olympic Games – Men – 90 kg | 2021 | | 28 July |
| Olympic Games – Men – Synchronized 3 m springboard | 2021 | | 28 July |
| Olympic Games – Women – Time trial | 2021 | | 28 July |
| Olympic Games – Men – Time trial | 2021 | | 28 July |
| Olympic Games – Women – Team all-around | 2021 | | 25–27 July |
| Olympic Games – Men | 2021 | | 21–27 July |
| Olympic Games – Mixed – Pistol – 10 m air pistol | 2021 | | 27 July |
| Olympic Games – Men – +80 kg | 2021 | | 27 July |
| Olympic Games – Team dressage | 2021 | | 24–27 July |
| Olympic Games – Women – Cross-country | 2021 | | 27 July |
| Olympic Games – Women – Slalom, K-1 | 2021 | | 25–27 July |
| Olympic Games – Men – 100 m backstroke | 2021 | | 25–27 July |
| Olympic Games – Men – Shortboard | 2021 | | 25–27 July |
| Olympic Games – Men – 200 m freestyle | 2021 | | 25–27 July |
| Olympic Games – Women – Synchronized 10 m platform | 2021 | | 27 July |
| Olympic Games – Women | 2021 | | 27 July |
| Olympic Games – Men – 81 kg | 2021 | | 27 July |
| Olympic Games – Women – Shortboard | 2021 | | 25–27 July |
| Olympic Games – Men – Quadruple sculls | 2021 | | 23–27 July |
| Olympic Games – Women – Team epée | 2021 | | 27 July |
| Olympic Games – Women – +67 kg | 2021 | | 27 July |
| Olympic Games – Women – 63 kg | 2021 | | 27 July |
| Olympic Games – Women – 59 kg | 2021 | | 27 July |
| Olympic Games – Women – 64 kg | 2021 | | 27 July |
| Olympic Games – Women – 100 m backstroke | 2021 | | 25–27 July |
| Olympic Games – Mixed – Rifle – 10 m air rifle | 2021 | | 27 July |
| Olympic Games – Women – Quadruple sculls | 2021 | | 23–27 July |
| Olympic Games – Women – 100 m breaststroke | 2021 | | 25–27 July |
| Olympic Games – Women – Shotgun – Skeet | 2021 | | 25–26 July |
| Olympic Games – Men – 80 kg | 2021 | | 26 July |
| Olympic Games – Men – Shotgun – Skeet | 2021 | | 25–26 July |
| Olympic Games – Men – 73 kg | 2021 | | 26 July |
| Olympic Games – Mixed doubles | 2021 | | 24–26 July |
| Olympic Games – Men | 2021 | | 26 July |
| Olympic Games – Women – 67 kg | 2021 | | 26 July |
| Olympic Games – Women – 55 kg | 2021 | | 26 July |
| Olympic Games – Women – 100 m butterfly | 2021 | | 24–26 July |
| Olympic Games – Women – 400 m freestyle | 2021 | | 25–26 July |
| Olympic Games – Men – Individual foil | 2021 | | 26 July |
| Olympic Games – Men – 4x100 m freestyle | 2021 | | 25–26 July |
| Olympic Games – Men – Synchronized 10 m platform | 2021 | | 26 July |
| Olympic Games – Women – Individual sabre | 2021 | | 26 July |
| Olympic Games – Men – Team all-around | 2021 | | 26 July |
| Olympic Games – Women – Street | 2021 | | 26 July |
| Olympic Games – Men – Slalom, C-1 | 2021 | | 25–26 July |
| Olympic Games – Men – Cross-country | 2021 | | 26 July |
| Olympic Games – Men – 100 m breaststroke | 2021 | | 24–26 July |
| Olympic Games – Men – Team | 2021 | | 23–26 July |
| Olympic Games – Women – 57 kg | 2021 | | 26 July |
| Olympic Games – Men – 400 m freestyle | 2021 | | 24–25 July |
| Olympic Games – Men – 66 kg | 2021 | | 25 July |
| Olympic Games – Women – Individual foil | 2021 | | 25 July |
| Olympic Games – Women – 52 kg | 2021 | | 25 July |
| Olympic Games – Women – 4x100 m freestyle | 2021 | | 24–25 July |
| Olympic Games – Men – 61 kg | 2021 | | 25 July |
| Olympic Games – Men – 67 kg | 2021 | | 25 July |
| Olympic Games – Women – 400 m medley | 2021 | | 24–25 July |
| Olympic Games – Men – Individual epée | 2021 | | 25 July |
| Olympic Games – Women – Synchronized 3 m springboard | 2021 | | 25 July |
| Olympic Games – Men – 400 m medley | 2021 | | 24–25 July |
| Olympic Games – Women – Road race | 2021 | | 25 July |
| Olympic Games – Men – Street | 2021 | | 25 July |
| Olympic Games – Women – Pistol – 10 m air pistol | 2021 | | 25 July |
| Olympic Games – Men – Rifle – 10 m air rifle | 2021 | | 25 July |
| Olympic Games – Women – Team | 2021 | | 23–25 July |
| Olympic Games – Women – 57 kg | 2021 | | 25 July |
| Olympic Games – Men – 68 kg | 2021 | | 25 July |
| Olympic Games – Women – Rifle – 10 m air rifle | 2021 | | 24 July |
| Olympic Games – Women – 48 kg | 2021 | | 24 July |
| Southern hemisphere – Lions Tour (Round 1) | 2021 | | 24 July |
| Olympic Games – Women – 49 kg | 2021 | | 24 July |
| NHL – Draft | 2021 | | 23–24 July |
| Olympic Games – Men – 58 kg | 2021 | | 24 July |
| Olympic Games – Men – 60 kg | 2021 | | 24 July |
| Olympic Games – Men – Pistol – 10 m air pistol | 2021 | | 24 July |
| Olympic Games – Men – Road race | 2021 | | 24 July |
| Olympic Games – Men – Individual sabre | 2021 | | 24 July |
| Olympic Games – Mixed – Team | 2021 | | 23–24 July |
| Olympic Games – Women – Individual epée | 2021 | | 24 July |
| Olympic Games – Women – 49 kg | 2021 | | 24 July |
| World Open – Men | 2021 | | 14–22 July |
| World Open – Women | 2021 | | 14–22 July |
| NBA – Championships – NBA Finals (NBA Finals) | 2021 | | 6–20 July |
| NBA – Championships – NBA Finals | 2021 | | 6–20 July |
| UCI World Tour – Tour de France – General standings | 2021 | | 26 June–18 July |
| UCI World Tour – Tour de France – Mountains classification | 2021 | | 26 June–18 July |
| UCI World Tour – Tour de France – Points classification | 2021 | | 26 June–18 July |
| Formula 1 – Grand Prix – British Grand Prix | 2021 | | 18 July |
| Honbasho – Nagoya Basho (July) | 2021 | | 4–18 July |
| PGA Tour – Majors | 2021 | | 15–18 July |
| World Rally Championship (WRC) – Rallies – Rally Estonia | 2021 | | 15–18 July |
| ATP Tour – ATP Masters 500 – Hamburg | 2021 | | 12–18 July |
| PGA Tour – Majors – Open Championship | 2021 | | 15–18 July |
| X Games – Vert | 2021 | | 16 July |
| MLB – All-star game – Results | 2021 | | 13 July |
| Continental cups (nations) – Euro (Final) | 2021 | | 11 July |
| Continental cups (nations) – Euro | 2021 | | 11 June–11 July |
| Rally Raid – Silk Way Rally | 2021 | | 2–11 July |
| ATP Tour – Grand Slam – Wimbledon | 2021 | | 28 June–11 July |
| ATP Tour – Grand Slam – Wimbledon (Final) | 2021 | | 11 July |
| WTA Tour – Grand Slam – Wimbledon | 2021 | | 28 June–10 July |
| WTA Tour – Grand Slam – Wimbledon (Final) | 2021 | | 10 July |
| Continental cups (nations) – Copa América (Final) | 2021 | | 10 July |
| Continental cups (nations) – Copa América | 2021 | | 13 June–10 July |
| ATP Tour – Grand Slam – Wimbledon (Semifinal #2) | 2021 | | 9 July |
| ATP Tour – Grand Slam – Wimbledon (Semifinal #1) | 2021 | | 9 July |
| World Championships – Men – Long distance | 2021 | | 9 July |
| Continental cups (nations) – Copa América (Third place game) | 2021 | | 9 July |
| World Championships – Women – Long distance | 2021 | | 9 July |
| WTA Tour – Grand Slam – Wimbledon (Semifinal #1) | 2021 | | 8 July |
| World Championships – Men – Relay | 2021 | | 8 July |
| WTA Tour – Grand Slam – Wimbledon (Semifinal #2) | 2021 | | 8 July |
| World Championships – Women – Relay | 2021 | | 8 July |
| Continental cups (nations) – Euro (Semifinal #2) | 2021 | | 7 July |
| NHL – Championships – Stanley Cup finals (Stanley Cup Finals) | 2021 | | 28 June–7 July |
| NHL – Championships – Stanley Cup finals | 2021 | | 28 June–7 July |
| ATP Tour – Grand Slam – Wimbledon (Quarterfinal #1) | 2021 | | 7 July |
| ATP Tour – Grand Slam – Wimbledon (Quarterfinal #2) | 2021 | | 7 July |
| ATP Tour – Grand Slam – Wimbledon (Quarterfinal #3) | 2021 | | 7 July |
| ATP Tour – Grand Slam – Wimbledon (Quarterfinal #4) | 2021 | | 7 July |
| WTA Tour – Grand Slam – Wimbledon (Quarterfinal #4) | 2021 | | 6 July |
| Continental cups (nations) – Euro (Semifinal #1) | 2021 | | 6 July |
| World Championships – Men – Middle distance | 2021 | | 6 July |
| Continental cups (nations) – Copa América (Semifinal #1) | 2021 | | 6 July |
| WTA Tour – Grand Slam – Wimbledon (Quarterfinal #2) | 2021 | | 6 July |
| WTA Tour – Grand Slam – Wimbledon (Quarterfinal #1) | 2021 | | 6 July |
| World Championships – Women – Middle distance | 2021 | | 6 July |
| WTA Tour – Grand Slam – Wimbledon (Quarterfinal #3) | 2021 | | 6 July |
| Continental cups (nations) – Copa América (Semifinal #2) | 2021 | | 5 July |
| World Championships – Mixed – Mixed relay | 2021 | | 4 July |
| Formula 1 – Grand Prix – Austrian Grand Prix | 2021 | | 4 July |
| Continental cups (nations) – Euro (Quarterfinal #3) | 2021 | | 3 July |
| NBA – Championships – NBA Finals (Eastern conf. final) | 2021 | | 23 June–3 July |
| Continental cups (nations) – Copa América (Quarterfinal #2) | 2021 | | 3 July |
| Continental cups (nations) – Copa América (Quarterfinal #1) | 2021 | | 3 July |
| World Championships – Women – Sprint | 2021 | | 3 July |
| World Championships – Men – Sprint | 2021 | | 3 July |
| Continental cups (nations) – Euro (Quarterfinal #4) | 2021 | | 3 July |
| Continental cups (nations) – Copa América (Quarterfinal #4) | 2021 | | 2 July |
| Continental cups (nations) – Copa América (Quarterfinal #3) | 2021 | | 2 July |
| Continental cups (nations) – Euro (Quarterfinal #1) | 2021 | | 2 July |
| Continental cups (nations) – Euro (Quarterfinal #2) | 2021 | | 2 July |
| NBA – Championships – NBA Finals (Western conf. final) | 2021 | | 20–30 June |
| Continental cups (nations) – Euro (Round of 16) | 2021 | | 29 June |
| Continental cups (nations) – Euro (Round of 16) | 2021 | | 29 June |
| Continental cups (nations) – Euro (Round of 16) | 2021 | | 28 June |
| Continental cups (nations) – Euro (Round of 16) | 2021 | | 28 June |
| Nations League – Results (Final) | 2022 | | 27 June |
| Continental cups (nations) – Euro (Round of 16) | 2021 | | 27 June |
| World Rally Championship (WRC) – Rallies – Rally Kenya (Safari) | 2021 | | 24–27 June |
| Nations League – Results (Final) | 2021 | | 27 June |
| Nations League – Results (Third place game) | 2022 | | 27 June |
| Nations League – Results (Third place game) | 2021 | | 27 June |
| Continental championships – Europe – Women | 2021 | | 17–27 June |
| Nations League – Results | 2021 | | 28 May–27 June |
| Continental cups (nations) – Euro (Round of 16) | 2021 | | 27 June |
| Formula 1 – Grand Prix – Styrian Grand Prix | 2021 | | 27 June |
| Nations League – Results (Semifinal #2) | 2021 | | 26 June |
| National championships – France – Men | 2021 | | 26 June |
| Nations League – Results (Semifinal #2) | 2022 | | 26 June |
| Nations League – Results (Semifinal #1) | 2022 | | 26 June |
| National championships – England – Premiership – Results | 2021 | | 20 November–26 June |
| Continental cups (nations) – Euro (Round of 16) | 2021 | | 26 June |
| Continental cups (nations) – Euro (Round of 16) | 2021 | | 26 June |
| National championships – France – Top 14 – Results (Final) | 2021 | | 26 June |
| Nations League – Results (Semifinal #1) | 2021 | | 26 June |
| NHL – Championships – Stanley Cup finals (Conference finals) | 2021 | | 13–25 June |
| National championships – France – Top 14 – Results | 2021 | | 4 September–25 June |
| NHL – Championships – Stanley Cup finals (Conference finals) | 2021 | | 14–24 June |
| Formula 1 – Grand Prix – French Grand Prix | 2021 | | 20 June |
| ATP Tour – ATP Masters 500 – Queen's | 2021 | | 14–20 June |
| PGA Tour – Majors – US Open | 2021 | | 17–20 June |
| NBA – Championships – NBA Finals (Eastern conf. semifinal #1) | 2021 | | 6–20 June |
| ATP Tour – ATP Masters 500 – Halle | 2021 | | 14–20 June |
| NBA – Championships – NBA Finals (Eastern conf. semifinal #2) | 2021 | | 5–19 June |
| Southern hemisphere – Super Rugby | 2021 | | 19 June |
| National championships – France – Top 14 – Results (Semifinal #2) | 2021 | | 19 June |
| National championships – France – Top 14 – Results (Semifinal #1) | 2021 | | 18 June |
| NBA – Championships – NBA Finals (Western conf. semifinal #1) | 2021 | | 8–18 June |
| ATP Tour – Grand Slam – French Open (Final) | 2021 | | 13 June |
| ATP Tour – Grand Slam – French Open | 2021 | | 30 May–13 June |
| Continental cups (clubs) – Men – Champions League | 2021 | | 16 September–13 June |
| NBA – Championships – NBA Finals (Western conf. semifinal #2) | 2021 | | 7–13 June |
| WTA Tour – Grand Slam – French Open | 2021 | | 30 May–12 June |
| Ultimate Fighting Championship – Men – Flyweight | 2021 | | 12 June |
| National championships – France – Top 14 – Results (Playoff) | 2021 | | 12 June |
| Ultimate Fighting Championship – Men – Middleweight | 2021 | | 12 June |
| WTA Tour – Grand Slam – French Open (Final) | 2021 | | 12 June |
| ATP Tour – Grand Slam – French Open (Semifinal #1) | 2021 | | 11 June |
| ATP Tour – Grand Slam – French Open (Semifinal #2) | 2021 | | 11 June |
| National championships – France – Top 14 – Results (Playoff) | 2021 | | 11 June |
| WTA Tour – Grand Slam – French Open (Semifinal #1) | 2021 | | 10 June |
| NHL – Championships – Stanley Cup finals (Second round) | 2021 | | 30 May–10 June |
| WTA Tour – Grand Slam – French Open (Semifinal #2) | 2021 | | 10 June |
| ATP Tour – Grand Slam – French Open (Quarterfinal #3) | 2021 | | 9 June |
| ATP Tour – Grand Slam – French Open (Quarterfinal #2) | 2021 | | 9 June |
| ATP Tour – Grand Slam – French Open (Quarterfinal #1) | 2021 | | 9 June |
| NHL – Championships – Stanley Cup finals (Second round) | 2021 | | 29 May–9 June |
| ATP Tour – Grand Slam – French Open (Quarterfinal #4) | 2021 | | 9 June |
| WTA Tour – Grand Slam – French Open (Quarterfinal #4) | 2021 | | 8 June |
| WTA Tour – Grand Slam – French Open (Quarterfinal #1) | 2021 | | 8 June |
| NHL – Championships – Stanley Cup finals (Second round) | 2021 | | 30 May–8 June |
| WTA Tour – Grand Slam – French Open (Quarterfinal #2) | 2021 | | 8 June |
| WTA Tour – Grand Slam – French Open (Quarterfinal #3) | 2021 | | 8 June |
| NHL – Championships – Stanley Cup finals (Second round) | 2021 | | 2–7 June |
| NBA – Championships – NBA Finals (Western first round) | 2021 | | 22 May–6 June |
| World Rally Championship (WRC) – Rallies – Rally Italy (Sardegna) | 2021 | | 3–6 June |
| Formula 1 – Grand Prix – Azerbaijan Grand Prix | 2021 | | 6 June |
| World Championships – Men | 2021 | | 21 May–6 June |
| NBA – Championships – NBA Finals (Western first round) | 2021 | | 22 May–3 June |
| NBA – Championships – NBA Finals (Western first round) | 2021 | | 23 May–3 June |
| NBA – Championships – NBA Finals (Eastern first round) | 2021 | | 23 May–2 June |
| NBA – Championships – NBA Finals (Eastern first round) | 2021 | | 23 May–2 June |
| NBA – Championships – NBA Finals (Western first round) | 2021 | | 23 May–2 June |
| NBA – Championships – NBA Finals (Eastern first round) | 2021 | | 22 May–1 June |
| NHL – Championships – Stanley Cup finals (First round) | 2021 | | 20–31 May |
| Euroleague – Results | 2021 | | 30 May |
| UCI World Tour – Giro d'Italia – General standings | 2021 | | 8–30 May |
| NBA – Championships – NBA Finals (Eastern first round) | 2021 | | 22–29 May |
| Continental cups (clubs) – Europe – Champions League | 2021 | | 20 October–29 May |
| NHL – Championships – Stanley Cup finals (First round) | 2021 | | 16–28 May |
| NHL – Championships – Stanley Cup finals (First round) | 2021 | | 17–27 May |
| NHL – Championships – Stanley Cup finals (First round) | 2021 | | 16–26 May |
| Continental cups (clubs) – Europe – Europa League | 2021 | | 22 October–26 May |
| NHL – Championships – Stanley Cup finals (First round) | 2021 | | 16–26 May |
| NHL – Championships – Stanley Cup finals (First round) | 2021 | | 19–24 May |
| European Championships – Women – 4x100 m medley | 2021 | | 23 May |
| NHL – Championships – Stanley Cup finals (First round) | 2021 | | 17–23 May |
| Formula 1 – Grand Prix – Monaco Grand Prix | 2021 | | 23 May |
| PGA Tour – Majors – PGA Championship | 2021 | | 20–23 May |
| European Championships – Women – 200 m backstroke | 2021 | | 23 May |
| European Championships – Women – 50 m butterfly | 2021 | | 23 May |
| European Championships – Women – 50 m breaststroke | 2021 | | 23 May |
| European Championships – Women – 400 m freestyle | 2021 | | 23 May |
| European Championships – Men – 4x100 m medley | 2021 | | 23 May |
| European Championships – Men – 400 m medley | 2021 | | 23 May |
| World Rally Championship (WRC) – Rallies – Rally Portugal | 2021 | | 20–23 May |
| European Championships – Men – 50 m freestyle | 2021 | | 23 May |
| Honbasho – Natsu Basho (May) | 2021 | | 9–23 May |
| European Championships – Men – 100 m butterfly | 2021 | | 23 May |
| NHL – Championships – Stanley Cup finals (First round) | 2021 | | 15–23 May |
| European Championships – Men – 200 m backstroke | 2021 | | 22 May |
| Europe – Champions Cup | 2021 | | 12 December–22 May |
| European Championships – Women – 100 m freestyle | 2021 | | 22 May |
| European Championships – Men – 50 m breaststroke | 2021 | | 22 May |
| Europe – Champions Cup (Final) | 2021 | | 22 May |
| European Championships – Mixed – 4x100 m freestyle | 2021 | | 22 May |
| European Championships – Men – 800 m freestyle | 2021 | | 22 May |
| European Championships – Women – 200 m medley | 2021 | | 22 May |
| European Championships – Women – 200 m breaststroke | 2021 | | 21 May |
| Europe – Challenge Cup | 2021 | | 11 December–21 May |
| European Championships – Men – 50 m butterfly | 2021 | | 21 May |
| European Championships – Men – 200 m freestyle | 2021 | | 21 May |
| European Championships – Women – 100 m backstroke | 2021 | | 21 May |
| European Championships – Women – 4x200 m freestyle | 2021 | | 21 May |
| European Championships – Women – 1500 m freestyle | 2021 | | 21 May |
| European Championships – Men – 200 m breaststroke | 2021 | | 20 May |
| European Championships – Men – 100 m backstroke | 2021 | | 20 May |
| European Championships – Women – 200 m butterfly | 2021 | | 20 May |
| European Championships – Women – 200 m freestyle | 2021 | | 20 May |
| European Championships – Men – 200 m medley | 2021 | | 20 May |
| European Championships – Mixed – 4x100 m medley | 2021 | | 20 May |
| European Championships – Men – 1500 m freestyle | 2021 | | 19 May |
| National cups – France – Coupe de France | 2021 | | 19 May |
| European Championships – Women – 100 m breaststroke | 2021 | | 19 May |
| European Championships – Men – 4x200 m freestyle | 2021 | | 19 May |
| European Championships – Men – 200 m butterfly | 2021 | | 19 May |
| European Championships – Men – 100 m freestyle | 2021 | | 19 May |
| European Championships – Women – 50 m backstroke | 2021 | | 19 May |
| European Championships – Mixed – 4x200 m freestyle | 2021 | | 18 May |
| European Championships – Women – 100 m butterfly | 2021 | | 18 May |
| European Championships – Women – 800 m freestyle | 2021 | | 18 May |
| European Championships – Women – 50 m freestyle | 2021 | | 18 May |
| European Championships – Men – 50 m backstroke | 2021 | | 18 May |
| European Championships – Men – 100 m breaststroke | 2021 | | 18 May |
| European Championships – Women – 400 m medley | 2021 | | 17 May |
| European Championships – Men – 400 m freestyle | 2021 | | 17 May |
| European Championships – Women – 4x100 m freestyle | 2021 | | 17 May |
| European Championships – Men – 4x100 m freestyle | 2021 | | 17 May |
| ATP Tour – ATP Masters 1000 – Rome | 2021 | | 9–16 May |
| Ultimate Fighting Championship – Men – Lightweight | 2021 | | 15 May |
| ATP Tour – ATP Masters 1000 – Madrid | 2021 | | 2–9 May |
| Formula 1 – Grand Prix – Spanish Grand Prix | 2021 | | 9 May |
| World Championship – Results | 2021 | | 17 April–3 May |
| Europe – Champions Cup (Semifinal #2) | 2021 | | 2 May |
| Formula 1 – Grand Prix – Portuguese Grand Prix | 2021 | | 2 May |
| Europe – Champions Cup (Semifinal #1) | 2021 | | 1 May |
| NFL – Draft | 2021 | | 30 April–1 May |
| World Rally Championship (WRC) – Rallies – Rally Croatia | 2021 | | 22–25 April |
| UCI World Tour – Liège-Bastogne-Liège | 2021 | | 25 April |
| National championships – France – Men | 2021 | | 25 April |
| Ultimate Fighting Championship – Women – Flyweight | 2021 | | 24 April |
| Ultimate Fighting Championship – Men – Welterweight | 2021 | | 24 April |
| Ultimate Fighting Championship – Women – Strawweight | 2021 | | 24 April |
| UCI World Tour – Flèche Wallonne | 2021 | | 21 April |
| ATP Tour – ATP Masters 1000 – Monte Carlo | 2021 | | 11–18 April |
| UCI World Tour – Amstel Gold Race | 2021 | | 18 April |
| Formula 1 – Grand Prix – Emilia Romagna Grand Prix | 2021 | | 18 April |
| PGA Tour – Majors – Masters | 2021 | | 8–11 April |
| Europe – Champions Cup (Quarterfinal #1) | 2021 | | 11 April |
| Europe – Champions Cup (Quarterfinal #2) | 2021 | | 11 April |
| Europe – Champions Cup (Quarterfinal #4) | 2021 | | 10 April |
| Europe – Champions Cup (Quarterfinal #3) | 2021 | | 10 April |
| UCI World Tour – Tour of Flanders | 2021 | | 4 April |
| ATP Tour – ATP Masters 1000 – Miami | 2021 | | 23 March–4 April |
| UCI World Tour – Gent-Welvegem | 2021 | | 28 March |
| National championships – Celtic League – Results | 2021 | | 2 October–28 March |
| Formula 1 – Grand Prix – Bahrain Grand Prix | 2021 | | 28 March |
| Honbasho – Haru Basho (March) | 2021 | | 14–28 March |
| Ultimate Fighting Championship – Men – Heavyweight | 2021 | | 27 March |
| Europe – Six Nations Championship (Round 3) | 2021 | | 26 March |
| Europe – Six Nations Championship | 2021 | | 6 February–26 March |
| UCI World Tour – Milan-San Remo | 2021 | | 20 March |
| Europe – Six Nations Championship (Round 5) | 2021 | | 20 March |
| Europe – Six Nations Championship (Round 5) | 2021 | | 20 March |
| ATP Tour – ATP Masters 500 – Acapulco | 2021 | | 15–20 March |
| Europe – Six Nations Championship (Round 5) | 2021 | | 20 March |
| America's cup – Results | 2021 | | 10–17 March |
| World Championships – Men – Big air | 2021 | | 16 March |
| World Championships – Women – Big air | 2021 | | 16 March |
| Europe – Six Nations Championship (Round 4) | 2021 | | 14 March |
| UCI World Tour – Paris-Nice | 2021 | | 7–14 March |
| Europe – Six Nations Championship (Round 4) | 2021 | | 13 March |
| World Championships – Women – Half-pipe | 2021 | | 13 March |
| World Championships – Men – Half-pipe | 2021 | | 13 March |
| Europe – Six Nations Championship (Round 4) | 2021 | | 13 March |
| World Championships – Men – Slopestyle | 2021 | | 12 March |
| World Championships – Women – Slopestyle | 2021 | | 12 March |
| NBA – All-star game – Results | 2021 | | 7 March |
| World Championships – Men – 50 km | 2021 | | 7 March |
| World Championships – Men – Large hill, team | 2021 | | 6 March |
| Ultimate Fighting Championship – Men – Light-heavyweight | 2021 | | 6 March |
| UCI World Tour – Strade Bianche | 2021 | | 6 March |
| World Championships – Men – Large hill, team | 2021 | | 6 March |
| Ultimate Fighting Championship – Women – Featherweight | 2021 | | 6 March |
| World Championships – Women – 30 km | 2021 | | 6 March |
| Ultimate Fighting Championship – Men – Bantamweight | 2021 | | 6 March |
| World – Vendée Globe | 2021 | | 8 November–5 March |
| World Championships – Men – 4x10 km relay | 2021 | | 5 March |
| World Championships – Men – Large hill, individual | 2021 | | 5 March |
| World Championships – Men – Large hill, individual | 2021 | | 4 March |
| World Championships – Women – 4x5 km relay | 2021 | | 4 March |
| World Championships – Men – 15 km | 2021 | | 3 March |
| World Championships – Women – Large hill, individual | 2021 | | 3 March |
| World Championships – Men – Parallel slalom | 2021 | | 2 March |
| World Championships – Women – Parallel slalom | 2021 | | 2 March |
| World Championships – Women – 10 km | 2021 | | 2 March |
| World Championships – Women – Parallel giant slalom | 2021 | | 1 March |
| World Championships – Men – Parallel giant slalom | 2021 | | 1 March |
| World Championships – Mixed – Normal hill, team | 2021 | | 28 February |
| World Championships – Women – Team sprint | 2021 | | 28 February |
| World Championships – Men – Team sprint | 2021 | | 28 February |
| World Championships – Mixed – Normal hill, team | 2021 | | 28 February |
| World Rally Championship (WRC) – Rallies – Rally Finland | 2021 | | 26–28 February |
| World Championships – Women – 15 km | 2021 | | 27 February |
| Europe – Six Nations Championship (Round 3) | 2021 | | 27 February |
| World Championships – Men – Normal hill, individual | 2021 | | 27 February |
| Europe – Six Nations Championship (Round 3) | 2021 | | 27 February |
| World Championships – Women – Normal hill, individual | 2021 | | 27 February |
| World Championships – Men – 30 km | 2021 | | 27 February |
| World Championships – Men – Normal hill, individual | 2021 | | 26 February |
| World Championships – Women – Normal hill, team | 2021 | | 26 February |
| World Championships – Women – Normal hill, individual | 2021 | | 25 February |
| World Championships – Men – 1.5 km sprint | 2021 | | 25 February |
| World Championships – Women – 1.5 km sprint | 2021 | | 25 February |
Past events
