| 21.94 | 46.28 | (24.34) | |
| 1:12.43 | (26.15) | 1:38.72 | (26.29) |
| 2:06.15 | (27.43) | 2:33.26 | (27.11) |
| 3:00.51 | (27.25) | 3:28.78 | (28.27) |
| 3:56.71 | (27.93) | 4:23.90 | (27.19) |
| 4:52.13 | (28.23) | 5:19.00 | (26.87) |
| 5:47.28 | (28.28) | 6:15.32 | (28.04) |
| 0.00 | 7:11.25 | ||
| 7:39.54 | (28.29) | 8:06.86 | (27.32) |
| 8:34.75 | (27.89) | 8:55.35 | (20.60) |