| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.484 | 19/7:07.196 |
| 2 | 2 | 20.915 | 20/7:13.990 |
| 3 | 2 | 22.071 | 20/7:16.467 |
| 4 | 2 | 24.217 | 19/7:06.013 |
| 5 | 2 | 20.507 | 20/7:20.776 |
| 6 | 1 | 21.439 | 20/7:18.777 |
| 7 | 1 | 21.668 | 20/7:18.003 |
| 8 | 1 | 22.424 | 20/7:19.313 |
| 9 | 2 | 23.536 | 19/7:00.662 |
| 10 | 2 | 21.164 | 20/7:20.850 |
| 11 | 2 | 22.226 | 20/7:21.184 |
| 12 | 2 | 22.407 | 20/7:21.763 |
| 13 | 2 | 21.659 | 20/7:21.103 |
| 14 | 2 | 23.649 | 19/7:01.211 |
| 15 | 2 | 24.402 | 19/7:04.039 |
| 16 | 2 | 26.380 | 19/7:08.863 |
| 17 | 2 | 23.038 | 19/7:09.384 |
| 18 | 2 | 27.286 | 19/7:14.332 |
| 19 | 2 | 21.965 | 19/7:13.437 |