| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.615 | N/A |
| 2 | 1 | 23.689 | 18/7:04.328 |
| 3 | 1 | 23.122 | 19/7:22.914 |
| 4 | 2 | 23.485 | 19/7:23.391 |
| 5 | 3 | 23.418 | 19/7:23.328 |
| 6 | 1 | 25.871 | 18/7:08.204 |
| 7 | 1 | 22.318 | 18/7:03.673 |
| 8 | 1 | 23.952 | 18/7:04.405 |
| 9 | 1 | 23.314 | 18/7:03.599 |
| 10 | 1 | 24.499 | 18/7:05.210 |
| 11 | 1 | 22.888 | 18/7:03.760 |
| 12 | 1 | 25.859 | 18/7:07.165 |
| 13 | 1 | 22.661 | 18/7:05.472 |
| 14 | 1 | 22.876 | 18/7:04.321 |
| 15 | 2 | 25.684 | 18/7:06.744 |
| 16 | 1 | 22.492 | 18/7:05.226 |
| 17 | 1 | 22.459 | 18/7:03.863 |
| 18 | 1 | 22.211 | 18/7:02.413 |