| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.576 | 18/6:10.368 |
| 2 | 2 | 19.674 | 18/6:02.250 |
| 3 | 2 | 19.966 | 18/6:01.296 |
| 4 | 2 | 19.841 | 18/6:00.257 |
| 5 | 2 | 21.112 | 18/6:04.208 |
| 6 | 2 | 19.039 | 18/6:00.624 |
| 7 | 2 | 20.853 | 18/6:02.728 |
| 8 | 3 | 24.156 | 18/6:11.738 |
| 9 | 4 | 24.915 | 18/6:20.264 |
| 10 | 4 | 20.061 | 18/6:18.347 |
| 11 | 4 | 22.064 | 18/6:20.057 |
| 12 | 3 | 23.593 | 17/6:02.454 |
| 13 | 3 | 20.137 | 17/6:00.906 |
| 14 | 3 | 24.581 | 17/6:04.975 |
| 15 | 3 | 21.941 | 17/6:05.510 |
| 16 | 3 | 23.277 | 17/6:07.398 |
| 17 | 3 | 21.710 | 17/6:07.496 |