| 1:21.70 | 2:50.11 | (1:28.41) | |
| 4:20.92 | (1:30.81) | 5:51.11 | (1:30.19) |
| 7:21.02 | (1:29.91) | 8:50.70 | (1:29.68) |
| 10:20.13 | (1:29.43) | 11:50.13 | (1:30.00) |
| 13:20.74 | (1:30.61) | 14:50.23 | (1:29.49) |
| 16:20.44 | (1:30.21) | 17:50.37 | (1:29.93) |
| 19:19.57 | (1:29.20) | 20:45.88 | (1:26.31) |
| 22:13.16 | (1:27.28) |