| 1:15.01 | 2:33.88 | (1:18.87) | |
| 3:53.42 | (1:19.54) | 5:13.37 | (1:19.95) |
| 6:33.97 | (1:20.60) | 7:54.57 | (1:20.60) |
| 9:15.13 | (1:20.56) | 10:36.01 | (1:20.88) |
| 11:56.80 | (1:20.79) | 13:17.75 | (1:20.95) |
| 14:38.53 | (1:20.78) | 15:59.40 | (1:20.87) |
| 17:20.41 | (1:21.01) | 18:41.48 | (1:21.07) |
| 20:01.05 | (1:19.57) |