| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 31.404 | N/A |
| 2 | 2 | 25.240 | 19/8:05.724 |
| 3 | 2 | 25.113 | 19/8:04.581 |
| 4 | 1 | 23.564 | 20/8:19.545 |
| 5 | 1 | 23.018 | 20/8:11.845 |
| 6 | 1 | 23.134 | 20/8:07.666 |
| 7 | 1 | 23.439 | 20/8:05.846 |
| 8 | 1 | 23.371 | 20/8:04.361 |
| 9 | 1 | 23.247 | 20/8:02.953 |
| 10 | 1 | 23.598 | 20/8:02.599 |
| 11 | 1 | 24.240 | 20/8:03.535 |
| 12 | 1 | 25.907 | 20/8:07.181 |
| 13 | 1 | 22.769 | 20/8:05.250 |
| 14 | 1 | 23.594 | 20/8:04.822 |
| 15 | 1 | 22.936 | 20/8:03.563 |
| 16 | 1 | 23.012 | 20/8:02.567 |
| 17 | 1 | 23.575 | 20/8:02.365 |
| 18 | 1 | 23.082 | 20/8:01.635 |
| 19 | 1 | 23.740 | 20/8:01.681 |
| 20 | 1 | 25.346 | 20/8:03.329 |