| 1:15.35 | 2:34.11 | (1:18.76) | |
| 3:53.14 | (1:19.03) | 5:13.13 | (1:19.99) |
| 6:33.36 | (1:20.23) | 7:53.92 | (1:20.56) |
| 9:14.45 | (1:20.53) | 10:35.14 | (1:20.69) |
| 11:55.87 | (1:20.73) | 13:16.39 | (1:20.52) |
| 14:36.76 | (1:20.37) | 15:58.25 | (1:21.49) |
| 17:20.15 | (1:21.90) | 18:41.79 | (1:21.64) |
| 20:00.11 | (1:18.32) |