| 20.12 | 42.18 | (22.06) | |
| 1:06.00 | (23.82) | 1:30.43 | (24.43) |
| 1:52.63 | (22.20) | 2:15.83 | (23.20) |
| 2:38.93 | (23.10) | 3:01.56 | (22.63) |
| 3:26.11 | (24.55) | 3:47.94 | (21.83) |
| 4:12.44 | (24.50) | 4:34.96 | (22.52) |
| 4:59.77 | (24.81) | 5:22.23 | (22.46) |
| 5:45.93 | (23.70) | 6:08.11 | (22.18) |
| 6:32.44 | (24.33) | 6:55.07 | (22.63) |
| 7:16.89 | (21.82) | 7:37.70 | (20.81) |