| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 26.189 | N/A |
| 2 | 2 | 24.065 | 20/8:03.424 |
| 3 | 2 | 23.536 | 21/8:22.199 |
| 4 | 2 | 23.617 | 21/8:20.975 |
| 5 | 2 | 23.458 | 21/8:19.569 |
| 6 | 2 | 23.885 | 21/8:20.433 |
| 7 | 2 | 23.720 | 21/8:20.459 |
| 8 | 2 | 23.353 | 21/8:19.429 |
| 9 | 3 | 26.016 | 20/8:01.357 |
| 10 | 3 | 23.413 | 20/8:00.210 |
| 11 | 4 | 29.261 | 20/8:10.404 |
| 12 | 4 | 24.035 | 20/8:09.718 |
| 13 | 4 | 23.115 | 20/8:07.689 |
| 14 | 4 | 24.571 | 20/8:08.100 |
| 15 | 3 | 23.931 | 20/8:07.585 |
| 16 | 3 | 24.558 | 20/8:07.932 |
| 17 | 3 | 23.666 | 20/8:07.176 |
| 18 | 3 | 28.635 | 20/8:12.063 |
| 19 | 2 | 23.336 | 20/8:10.813 |
| 20 | 2 | 23.441 | 20/8:09.801 |