| 0. 0 | 38.68 | ||
| 41.11 | (2.43) | 1:21.67 | (40.56) |
| 1:27.76 | (6.09) | 2:05.98 | (38.22) |
| 2:16.20 | (10.22) | 2:51.30 | (35.10) |
| 3:05.26 | (13.96) | 3:36.84 | (31.58) |
| 3:44.84 | (8.00) | 4:22.80 | (37.96) |
| 4:41.59 | (18.79) | 5:09.45 | (27.86) |
| 5:29.35 | (19.90) | 5:56.99 | (27.64) |
| 6:17.16 | (20.17) | 6:44.08 | (26.92) |
| 7:07.05 | (22.97) | 7:28.86 | (21.81) |