| 1:17.64 | 2:39.31 | (1:21.67) | |
| 4:00.60 | (1:21.29) | 5:20.48 | (1:19.88) |
| 6:41.27 | (1:20.79) | 8:02.10 | (1:20.83) |
| 9:23.44 | (1:21.34) | 10:44.90 | (1:21.46) |
| 12:05.52 | (1:20.62) | 13:25.48 | (1:19.96) |
| 14:46.47 | (1:20.99) | 16:07.02 | (1:20.55) |
| 17:27.16 | (1:20.14) | 18:47.30 | (1:20.14) |
| 20:04.62 | (1:17.32) |