| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 28.103 | N/A |
| 2 | 2 | 24.910 | 20/8:21.393 |
| 3 | 2 | 23.862 | 20/8:11.437 |
| 4 | 2 | 24.463 | 20/8:11.924 |
| 5 | 2 | 24.576 | 20/8:12.705 |
| 6 | 2 | 24.103 | 20/8:11.376 |
| 7 | 2 | 24.077 | 20/8:10.407 |
| 8 | 1 | 23.973 | 20/8:09.433 |
| 9 | 1 | 23.790 | 20/8:08.268 |
| 10 | 2 | 29.100 | 20/8:18.572 |
| 11 | 2 | 27.574 | 20/8:23.916 |
| 12 | 1 | 25.629 | 20/8:24.928 |
| 13 | 1 | 25.391 | 19/8:00.275 |
| 14 | 1 | 24.979 | 19/8:00.078 |
| 15 | 1 | 24.589 | 20/8:24.481 |
| 16 | 1 | 25.350 | 20/8:24.833 |
| 17 | 1 | 25.338 | 19/8:00.002 |
| 18 | 1 | 25.371 | 19/8:00.300 |
| 19 | 1 | 25.010 | 19/8:00.188 |