| 1:13.75 | 2:31.88 | (1:18.13) | |
| 3:51.45 | (1:19.57) | 5:11.58 | (1:20.13) |
| 6:31.23 | (1:19.65) | 7:50.80 | (1:19.57) |
| 10:30.35 | (2:39.55) | 11:50.18 | (1:19.83) |
| 13:09.95 | (1:19.77) | 14:30.11 | (1:20.16) |
| 15:50.06 | (1:19.95) | 17:10.79 | (1:20.73) |
| 18:31.43 | (1:20.64) | 19:51.09 | (1:19.66) |
| 20:27.54 | (36.45) |