| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.134 | 19/6:03.546 |
| 2 | 2 | 20.268 | 19/6:14.319 |
| 3 | 1 | 20.565 | 19/6:19.791 |
| 4 | 1 | 19.941 | 19/6:19.563 |
| 5 | 2 | 19.872 | 19/6:19.164 |
| 6 | 2 | 21.069 | 18/6:02.547 |
| 7 | 2 | 23.724 | 18/6:11.759 |
| 8 | 2 | 19.696 | 18/6:09.605 |
| 9 | 2 | 20.436 | 18/6:09.410 |
| 10 | 2 | 19.569 | 18/6:07.693 |
| 11 | 2 | 19.564 | 18/6:06.280 |
| 12 | 1 | 19.516 | 18/6:05.031 |
| 13 | 1 | 20.432 | 18/6:05.242 |
| 14 | 1 | 20.198 | 18/6:05.122 |
| 15 | 1 | 22.571 | 18/6:07.866 |
| 16 | 1 | 21.996 | 18/6:09.620 |
| 17 | 1 | 20.326 | 18/6:09.399 |
| 18 | 1 | 19.521 | 18/6:08.398 |