| 1:10.80 | 2:28.52 | (1:17.72) | |
| 3:47.64 | (1:19.12) | 5:07.23 | (1:19.59) |
| 6:27.95 | (1:20.72) | 7:48.33 | (1:20.38) |
| 9:10.30 | (1:21.97) | 10:32.58 | (1:22.28) |
| 11:57.67 | (1:25.09) | 13:21.89 | (1:24.22) |
| 14:46.65 | (1:24.76) | 16:11.79 | (1:25.14) |
| 17:36.00 | (1:24.21) | 19:00.99 | (1:24.99) |
| 20:22.57 | (1:21.58) |