| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 25.928 | N/A |
| 2 | 2 | 25.638 | 19/8:07.412 |
| 3 | 1 | 23.347 | 20/8:11.285 |
| 4 | 1 | 23.175 | 20/8:02.941 |
| 5 | 1 | 24.251 | 20/8:03.880 |
| 6 | 2 | 23.226 | 20/8:00.548 |
| 7 | 3 | 23.753 | 21/8:23.894 |
| 8 | 2 | 23.314 | 21/8:22.225 |
| 9 | 2 | 22.503 | 21/8:18.945 |
| 10 | 3 | 23.842 | 21/8:19.370 |
| 11 | 4 | 32.272 | 20/8:12.037 |
| 12 | 4 | 24.418 | 20/8:11.840 |
| 13 | 4 | 22.604 | 20/8:08.804 |
| 14 | 4 | 22.646 | 20/8:06.296 |
| 15 | 4 | 23.112 | 20/8:04.779 |
| 16 | 4 | 22.959 | 20/8:03.270 |
| 17 | 4 | 24.095 | 20/8:03.299 |
| 18 | 4 | 23.337 | 20/8:02.477 |
| 19 | 4 | 23.587 | 20/8:02.011 |
| 20 | 4 | 22.926 | 20/8:00.933 |