| 1:14.99 | 2:35.36 | (1:20.37) | |
| 3:55.04 | (1:19.68) | 5:14.09 | (1:19.05) |
| 6:34.32 | (1:20.23) | 7:53.99 | (1:19.67) |
| 9:14.13 | (1:20.14) | 10:34.58 | (1:20.45) |
| 11:55.94 | (1:21.36) | 13:17.21 | (1:21.27) |
| 14:38.25 | (1:21.04) | 15:59.21 | (1:20.96) |
| 17:20.66 | (1:21.45) | 18:41.17 | (1:20.51) |
| 20:01.58 | (1:20.41) |