| 1:16.39 | 2:36.82 | (1:20.43) | |
| 3:57.72 | (1:20.90) | 5:19.18 | (1:21.46) |
| 6:40.60 | (1:21.42) | 8:02.60 | (1:22.00) |
| 9:25.97 | (1:23.37) | 10:48.63 | (1:22.66) |
| 12:11.46 | (1:22.83) | 13:34.01 | (1:22.55) |
| 14:57.20 | (1:23.19) | 16:21.25 | (1:24.05) |
| 17:44.09 | (1:22.84) | 19:07.09 | (1:23.00) |
| 20:26.80 | (1:19.71) |