| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.434 | 17/6:04.378 |
| 2 | 2 | 19.906 | 18/6:12.060 |
| 3 | 1 | 20.093 | 18/6:08.598 |
| 4 | 2 | 21.252 | 18/6:12.082 |
| 5 | 2 | 19.934 | 18/6:09.428 |
| 6 | 2 | 19.868 | 18/6:07.461 |
| 7 | 2 | 20.406 | 18/6:07.439 |
| 8 | 2 | 19.963 | 18/6:06.426 |
| 9 | 2 | 21.282 | 18/6:08.276 |
| 10 | 3 | 23.278 | 18/6:13.349 |
| 11 | 2 | 19.853 | 18/6:11.895 |
| 12 | 2 | 19.086 | 18/6:09.533 |
| 13 | 2 | 19.261 | 18/6:07.776 |
| 14 | 2 | 19.808 | 18/6:06.974 |
| 15 | 2 | 20.167 | 18/6:06.709 |
| 16 | 2 | 21.236 | 18/6:07.680 |
| 17 | 2 | 19.103 | 18/6:06.279 |
| 18 | 2 | 22.501 | 18/6:08.431 |