| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.314 | 21/6:03.594 |
| 2 | 1 | 17.569 | 21/6:06.271 |
| 3 | 1 | 18.346 | 21/6:12.603 |
| 4 | 1 | 18.482 | 21/6:16.483 |
| 5 | 1 | 17.938 | 21/6:16.526 |
| 6 | 1 | 18.771 | 20/6:01.400 |
| 7 | 2 | 18.401 | 20/6:02.346 |
| 8 | 2 | 17.971 | 20/6:01.980 |
| 9 | 2 | 16.868 | 21/6:17.207 |
| 10 | 1 | 17.830 | 21/6:16.929 |
| 11 | 2 | 22.216 | 20/6:06.738 |
| 12 | 2 | 17.794 | 20/6:05.833 |
| 13 | 2 | 17.792 | 20/6:05.065 |
| 14 | 2 | 19.309 | 20/6:06.573 |
| 15 | 2 | 18.950 | 20/6:07.401 |
| 16 | 2 | 25.649 | 20/6:16.500 |
| 17 | 2 | 20.468 | 20/6:18.433 |
| 18 | 2 | 20.873 | 19/6:01.571 |
| 19 | 2 | 16.686 | 20/6:18.134 |
| 20 | 2 | 17.077 | 20/6:16.304 |