| 1:16.47 | 2:37.54 | (1:21.07) | |
| 3:58.60 | (1:21.06) | 5:19.75 | (1:21.15) |
| 6:41.55 | (1:21.80) | 8:03.57 | (1:22.02) |
| 9:26.10 | (1:22.53) | 10:48.36 | (1:22.26) |
| 12:10.78 | (1:22.42) | 13:33.06 | (1:22.28) |
| 14:55.69 | (1:22.63) | 16:17.78 | (1:22.09) |
| 17:40.03 | (1:22.25) | 19:01.85 | (1:21.82) |
| 20:21.46 | (1:19.61) |