| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.356 | 18/6:06.408 |
| 2 | 5 | 22.346 | 17/6:02.967 |
| 3 | 5 | 20.305 | 18/6:18.042 |
| 4 | 5 | 20.20 | 18/6:13.532 |
| 5 | 4 | 20.426 | 18/6:12.359 |
| 6 | 4 | 22.430 | 18/6:17.589 |
| 7 | 3 | 19.026 | 18/6:12.572 |
| 8 | 3 | 19.402 | 18/6:09.655 |
| 9 | 4 | 19.899 | 18/6:08.380 |
| 10 | 3 | 18.896 | 18/6:05.555 |
| 11 | 5 | 25.808 | 18/6:14.554 |
| 12 | 5 | 19.257 | 18/6:12.226 |
| 13 | 5 | 26.251 | 18/6:19.941 |
| 14 | 5 | 19.276 | 18/6:17.586 |
| 15 | 6 | 22.712 | 18/6:19.668 |
| 16 | 6 | 18.522 | 18/6:16.776 |
| 17 | 6 | 23.598 | 18/6:19.599 |
| 18 | 5 | 21.350 | 18/6:19.860 |