| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 27.322 | N/A |
| 2 | 2 | 22.417 | 22/8:18.079 |
| 3 | 2 | 22.463 | 22/8:18.562 |
| 4 | 3 | 23.073 | 21/8:00.342 |
| 5 | 3 | 22.764 | 21/8:00.907 |
| 6 | 3 | 24.135 | 21/8:06.073 |
| 7 | 3 | 22.646 | 21/8:05.648 |
| 8 | 3 | 24.260 | 21/8:09.487 |
| 9 | 3 | 24.373 | 21/8:12.649 |
| 10 | 3 | 23.918 | 21/8:14.097 |
| 11 | 3 | 22.998 | 21/8:13.416 |
| 12 | 3 | 33.558 | 20/8:07.821 |
| 13 | 3 | 23.127 | 20/8:06.064 |
| 14 | 3 | 22.791 | 20/8:04.086 |
| 15 | 3 | 22.479 | 20/8:01.967 |
| 16 | 3 | 27.588 | 20/8:06.602 |
| 17 | 3 | 23.049 | 20/8:05.268 |
| 18 | 4 | 23.900 | 20/8:05.042 |
| 19 | 4 | 26.707 | 20/8:07.803 |
| 20 | 4 | 24.227 | 20/8:07.795 |