| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 27.270 | N/A |
| 2 | 5 | 25.664 | 19/8:09.222 |
| 3 | 4 | 22.694 | 20/8:06.671 |
| 4 | 4 | 24.323 | 20/8:07.583 |
| 5 | 3 | 22.468 | 21/8:23.015 |
| 6 | 2 | 22.605 | 21/8:18.286 |
| 7 | 1 | 22.032 | 21/8:13.223 |
| 8 | 1 | 22.343 | 21/8:10.495 |
| 9 | 1 | 25.092 | 21/8:15.322 |
| 10 | 3 | 27.582 | 20/8:00.743 |
| 11 | 4 | 27.833 | 20/8:08.278 |
| 12 | 4 | 22.730 | 20/8:05.629 |
| 13 | 4 | 23.803 | 20/8:05.120 |
| 14 | 4 | 29.233 | 20/8:12.626 |
| 15 | 4 | 22.259 | 20/8:09.595 |
| 16 | 4 | 22.263 | 20/8:06.973 |
| 17 | 4 | 21.887 | 20/8:04.233 |
| 18 | 4 | 24.842 | 20/8:05.117 |
| 19 | 4 | 21.524 | 20/8:02.401 |
| 20 | 4 | 22.866 | 20/8:01.313 |