| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.609 | 18/6:10.962 |
| 2 | 4 | 21.975 | 17/6:01.964 |
| 3 | 4 | 23.611 | 17/6:15.105 |
| 4 | 4 | 20.642 | 17/6:09.057 |
| 5 | 4 | 19.915 | 17/6:02.957 |
| 6 | 4 | 20.226 | 18/6:20.934 |
| 7 | 4 | 20.554 | 18/6:19.368 |
| 8 | 4 | 19.504 | 18/6:15.831 |
| 9 | 4 | 19.670 | 18/6:13.412 |
| 10 | 4 | 19.755 | 18/6:11.630 |
| 11 | 3 | 20.068 | 18/6:10.684 |
| 12 | 3 | 19.577 | 18/6:09.159 |
| 13 | 3 | 19.816 | 18/6:08.200 |
| 14 | 2 | 19.585 | 18/6:07.080 |
| 15 | 2 | 21.616 | 18/6:08.548 |
| 16 | 2 | 19.871 | 18/6:07.868 |
| 17 | 3 | 20.782 | 18/6:08.233 |
| 18 | 3 | 20.778 | 18/6:08.554 |