 Details | 2021 | | 6:58.58 | | 7:01.81 | | 7:01.84 | 27–28 Jul | |
| Details | 2016 | | 7:00.66 | | 7:03.13 | | 7:03.50 | 9 Aug | |
| Details | 2012 | | 6:59.70 | | 7:02.77 | | 7:06.30 | 31 Jul | |
| Details | 2008 | | 6:58.56 | | 7:03.70 | | 7:04.98 | | |
| Details | 2004 | | 7:07.33 | | 7:07.46 | | 7:11.83 | | |
| Details | 2000 | | 7:07.05 | | 7:12.64 | | 7:12.70 | 19 Sep | |
| Details | 1996 | | 7:14.84 | | 7:17.56 | | 7:17.71 | 21 Jul | |
| Details | 1992 | | 7:11.95 | | 7:15.51 | | 7:16.23 | 27 Jul | |
| Details | 1988 | | 7:12.51 | | 7:13.68 | | 7:14.35 | 21 Sep | |
| Details | 1984 | | 7:15.69 | | 7:15.73 | | 7:24.78 | 30 Jul | |
| Details | 1980 | | 7:23.50 | | 7:28.60 | | 7:29.30 | 23 Jul | |
| Details | 1976 | | 7:23.22 | | 7:27.97 | | 7:32.11 | 21 Jul | |
| Details | 1972 | | 7:35.70 | | 7:41.69 | | 7:45.76 | 31 Aug | |
| Details | 1968 | | 7:52.30 | | 1:59.8 | | 2:02.3 | 21 Oct | |
| Details | 1964 | | 7:52.10 | | 7:59.3 | | 8:03.8 | 18 Oct | |
| Details | 1960 | | 8:10.20 | | 8:13.2 | | 8:13.8 | 1 Sep | |
| Details | 1956 | | 8:23.60 | | 8:31.5 | | 8:34.7 | 3 Dec | |
| Details | 1952 | | 8:31.10 | | 8:33.5 | | 8:45.9 | 29 Jul | |
| Details | 1948 | | 8:46.00 | | 8:48.4 | | 9:08.0 | 3 Aug | |
| Details | 1936 | | 8:51.20 | | 9:03.0 | | 9:12.3 | 11 Aug | |
| Details | 1932 | | 8:56.40 | | 9:10.5 | | 9:31.4 | 9 Aug | |
| Details | 1928 | | 9:36.20 | | 9:41.4 | | 9:47.8 | 11 Aug | |
| Details | 1924 | | 9:53.40 | | 10:02.2 | | 10:06.8 | 20 Jul | |
| Details | 1920 | | 10:04.40 | | 10:25.4 | | 10:37.2 | 29 Aug | |
| Details | 1912 | | 10:11.60 | | 10:20.2 | | 10:28.6 | 15 Jul | |
| Details | 1908 | | 10:55.60 | | 10:55.6 | | 10:59.0 | 24 Jul | |
