| 1:15.59 | 2:35.23 | (1:19.64) | |
| 3:55.22 | (1:19.99) | 5:15.89 | (1:20.67) |
| 6:36.52 | (1:20.63) | 7:56.75 | (1:20.23) |
| 9:15.62 | (1:18.87) | 10:35.07 | (1:19.45) |
| 11:55.04 | (1:19.97) | 13:16.18 | (1:21.14) |
| 14:37.31 | (1:21.13) | 15:58.95 | (1:21.64) |
| 17:21.22 | (1:22.27) | 18:43.13 | (1:21.91) |
| 20:05.11 | (1:21.98) |