| 1:13.22 | 2:33.67 | (1:20.45) | |
| 3:55.52 | (1:21.85) | 5:16.24 | (1:20.72) |
| 6:39.21 | (1:22.97) | 8:02.18 | (1:22.97) |
| 9:24.82 | (1:22.64) | 10:48.00 | (1:23.18) |
| 12:10.73 | (1:22.73) | 13:33.31 | (1:22.58) |
| 14:57.38 | (1:24.07) | 16:19.46 | (1:22.08) |
| 17:40.99 | (1:21.53) | 19:03.94 | (1:22.95) |
| 20:28.28 | (1:24.34) |