| 1:14.68 | 2:33.64 | (1:18.96) | |
| 3:53.45 | (1:19.81) | 5:14.24 | (1:20.79) |
| 6:33.93 | (1:19.69) | 7:53.74 | (1:19.81) |
| 9:14.09 | (1:20.35) | 10:34.80 | (1:20.71) |
| 11:56.36 | (1:21.56) | 13:17.90 | (1:21.54) |
| 14:38.73 | (1:20.83) | 16:00.37 | (1:21.64) |
| 17:21.93 | (1:21.56) | 18:43.47 | (1:21.54) |
| 20:02.31 | (1:18.84) |