| 1:17.91 | 2:38.48 | (1:20.57) | |
| 3:59.40 | (1:20.92) | 5:20.74 | (1:21.34) |
| 6:41.94 | (1:21.20) | 8:03.13 | (1:21.19) |
| 9:23.77 | (1:20.64) | 10:44.62 | (1:20.85) |
| 12:04.90 | (1:20.28) | 13:24.97 | (1:20.07) |
| 14:46.14 | (1:21.17) | 16:07.04 | (1:20.90) |
| 17:28.37 | (1:21.33) | 18:50.64 | (1:22.27) |
| 20:07.16 | (1:16.52) |