| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 33.615 | N/A |
| 2 | 5 | 29.712 | 17/8:29.007 |
| 3 | 5 | 28.901 | 17/8:22.519 |
| 4 | 5 | 25.908 | 17/8:04.393 |
| 5 | 5 | 24.191 | 18/8:15.641 |
| 6 | 5 | 23.211 | 18/8:02.153 |
| 7 | 5 | 24.205 | 19/8:21.999 |
| 8 | 5 | 27.114 | 19/8:24.808 |
| 9 | 5 | 23.682 | 19/8:19.194 |
| 10 | 5 | 27.671 | 19/8:22.805 |
| 11 | 4 | 26.526 | 19/8:23.632 |
| 12 | 4 | 28.329 | 18/8:00.946 |
| 13 | 5 | 28.825 | 18/8:04.504 |
| 14 | 5 | 28.612 | 18/8:07.236 |
| 15 | 5 | 26.019 | 18/8:06.429 |
| 16 | 5 | 23.822 | 18/8:03.240 |
| 17 | 5 | 33.445 | 18/8:10.673 |
| 18 | 4 | 25.058 | 18/8:08.846 |