| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 36.742 | N/A |
| 2 | 4 | 25.728 | 19/8:19.846 |
| 3 | 4 | 26.466 | 18/8:00.391 |
| 4 | 2 | 24.172 | 19/8:14.938 |
| 5 | 2 | 25.617 | 19/8:15.665 |
| 6 | 2 | 24.156 | 19/8:10.842 |
| 7 | 2 | 25.25 | 19/8:10.159 |
| 8 | 2 | 23.764 | 19/8:06.492 |
| 9 | 2 | 24.192 | 19/8:04.705 |
| 10 | 2 | 25.636 | 19/8:06.204 |
| 11 | 2 | 25.884 | 19/8:07.849 |
| 12 | 2 | 22.641 | 19/8:03.888 |
| 13 | 2 | 22.296 | 19/8:00.007 |
| 14 | 2 | 27.595 | 19/8:04.176 |
| 15 | 2 | 33.041 | 19/8:14.698 |
| 16 | 2 | 26.258 | 19/8:15.677 |
| 17 | 2 | 35.929 | 18/8:01.265 |
| 18 | 2 | 24.811 | 19/8:25.997 |
| 19 | 2 | 36.881 | 19/8:36.809 |