| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.381 | 20/7:07.620 |
| 2 | 3 | 24.309 | 19/7:14.055 |
| 3 | 3 | 21.977 | 19/7:08.558 |
| 4 | 3 | 20.698 | 20/7:21.825 |
| 5 | 3 | 22.024 | 20/7:21.556 |
| 6 | 2 | 18.851 | 20/7:10.800 |
| 7 | 2 | 20.298 | 20/7:07.251 |
| 8 | 2 | 22.509 | 20/7:10.118 |
| 9 | 2 | 19.397 | 20/7:05.431 |
| 10 | 2 | 22.049 | 20/7:06.986 |
| 11 | 2 | 18.659 | 20/7:02.095 |
| 12 | 2 | 24.877 | 20/7:08.382 |
| 13 | 2 | 20.113 | 20/7:06.372 |
| 14 | 2 | 19.099 | 20/7:03.201 |
| 15 | 2 | 19.884 | 20/7:01.500 |
| 16 | 2 | 18.756 | 21/7:19.531 |
| 17 | 2 | 20.950 | 21/7:19.556 |
| 18 | 2 | 25.695 | 20/7:03.918 |
| 19 | 1 | 18.379 | 20/7:00.953 |
| 20 | 2 | 22.821 | 20/7:02.726 |