| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.281 | N/A |
| 2 | 1 | 18.613 | 26/8:08.606 |
| 3 | 1 | 19.672 | 25/8:02.701 |
| 4 | 1 | 18.204 | 26/8:14.022 |
| 5 | 1 | 19.477 | 26/8:18.068 |
| 6 | 1 | 18.081 | 26/8:13.516 |
| 7 | 1 | 18.717 | 26/8:13.131 |
| 8 | 2 | 37.848 | 23/8:16.633 |
| 9 | 2 | 19.967 | 23/8:12.373 |
| 10 | 1 | 19.967 | 23/8:12.373 |
| 11 | 1 | 19.967 | 23/8:12.373 |
| 12 | 1 | 35.963 | 26/8:12.694 |
| 13 | 2 | 19.183 | 26/8:13.541 |
| 14 | 1 | 19.183 | 26/8:13.541 |
| 15 | 1 | 37.969 | 26/8:14.163 |
| 16 | 1 | 37.969 | 26/8:14.163 |
| 17 | 1 | 35.660 | 26/8:11.021 |
| 18 | 1 | 35.660 | 26/8:11.021 |
| 19 | 1 | 35.766 | 26/8:08.725 |