| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 6 | 21.403 | 17/6:03.851 |
| 2 | 6 | 21.024 | 17/6:00.630 |
| 3 | 6 | 20.929 | 18/6:20.136 |
| 4 | 5 | 20.002 | 18/6:15.111 |
| 5 | 6 | 23.196 | 17/6:02.284 |
| 6 | 5 | 19.095 | 18/6:16.947 |
| 7 | 4 | 20.212 | 18/6:15.071 |
| 8 | 4 | 19.757 | 18/6:12.640 |
| 9 | 5 | 21.286 | 18/6:13.808 |
| 10 | 4 | 20.598 | 18/6:13.504 |
| 11 | 5 | 22.523 | 18/6:16.405 |
| 12 | 4 | 19.826 | 18/6:14.776 |
| 13 | 4 | 18.681 | 18/6:11.814 |
| 14 | 4 | 20.326 | 18/6:11.389 |
| 15 | 3 | 20.724 | 18/6:11.498 |
| 16 | 4 | 23.346 | 18/6:14.544 |
| 17 | 4 | 20.456 | 18/6:14.171 |
| 18 | 4 | 22.851 | 18/6:16.235 |