| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.488 | 19/7:07.272 |
| 2 | 2 | 21.807 | 19/7:00.803 |
| 3 | 2 | 22.089 | 19/7:00.432 |
| 4 | 1 | 23.806 | 19/7:08.402 |
| 5 | 2 | 21.762 | 19/7:05.418 |
| 6 | 2 | 22.657 | 19/7:06.262 |
| 7 | 3 | 26.587 | 19/7:17.532 |
| 8 | 3 | 24.749 | 19/7:21.619 |
| 9 | 3 | 25.795 | 18/7:03.480 |
| 10 | 3 | 22.010 | 18/7:00.750 |
| 11 | 3 | 21.963 | 19/7:21.686 |
| 12 | 3 | 23.813 | 19/7:22.583 |
| 13 | 3 | 22.836 | 19/7:21.914 |
| 14 | 3 | 24.615 | 18/7:00.399 |
| 15 | 3 | 25.069 | 18/7:02.455 |
| 16 | 3 | 20.933 | 19/7:22.913 |
| 17 | 3 | 26.550 | 18/7:03.031 |
| 18 | 3 | 25.006 | 18/7:04.535 |