| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.215 | 17/6:00.655 |
| 2 | 3 | 19.874 | 18/6:09.801 |
| 3 | 2 | 20.589 | 18/6:10.068 |
| 4 | 2 | 20.412 | 18/6:09.405 |
| 5 | 2 | 21.046 | 18/6:11.290 |
| 6 | 3 | 19.834 | 18/6:08.910 |
| 7 | 3 | 19.859 | 18/6:07.275 |
| 8 | 3 | 20.910 | 18/6:08.413 |
| 9 | 3 | 20.011 | 18/6:07.500 |
| 10 | 3 | 19.345 | 18/6:05.571 |
| 11 | 2 | 18.748 | 18/6:03.016 |
| 12 | 3 | 19.401 | 18/6:01.866 |
| 13 | 2 | 19.328 | 18/6:00.792 |
| 14 | 3 | 22.361 | 18/6:03.771 |
| 15 | 3 | 19.750 | 18/6:03.220 |
| 16 | 3 | 19.836 | 18/6:02.834 |
| 17 | 3 | 21.651 | 18/6:04.415 |
| 18 | 3 | 19.398 | 18/6:03.568 |