| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 1.975 | N/A |
| 2 | 3 | 27.824 | 19/8:22.807 |
| 3 | 3 | 24.729 | 20/8:21.228 |
| 4 | 4 | 30.887 | 19/8:22.615 |
| 5 | 4 | 39.157 | 17/8:12.363 |
| 6 | 3 | 24.591 | 18/8:22.414 |
| 7 | 4 | 24.222 | 18/8:07.636 |
| 8 | 4 | 25.911 | 18/8:01.183 |
| 9 | 4 | 24.400 | 19/8:20.847 |
| 10 | 4 | 25.297 | 19/8:16.011 |
| 11 | 4 | 28.744 | 19/8:18.346 |
| 12 | 4 | 24.429 | 19/8:13.196 |
| 13 | 4 | 23.403 | 19/8:07.366 |
| 14 | 4 | 27.687 | 19/8:08.364 |
| 15 | 4 | 24.829 | 19/8:05.545 |
| 16 | 4 | 23.772 | 19/8:01.833 |
| 17 | 4 | 24.928 | 20/8:26.436 |
| 18 | 4 | 24.479 | 20/8:24.121 |
| 19 | 4 | 24.757 | 20/8:22.356 |
| 20 | 4 | 23.541 | 20/8:19.562 |