| 1:17.91 | 2:39.76 | (1:21.85) | |
| 4:00.47 | (1:20.71) | 5:22.03 | (1:21.56) |
| 6:42.46 | (1:20.43) | 8:03.76 | (1:21.30) |
| 9:24.85 | (1:21.09) | 10:47.28 | (1:22.43) |
| 12:09.47 | (1:22.19) | 13:31.88 | (1:22.41) |
| 14:54.57 | (1:22.69) | 16:17.38 | (1:22.81) |
| 17:39.41 | (1:22.03) | 19:01.60 | (1:22.19) |
| 20:22.10 | (1:20.50) |