| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.702 | 21/7:14.742 |
| 2 | 4 | 20.726 | 21/7:14.994 |
| 3 | 2 | 19.784 | 21/7:08.484 |
| 4 | 2 | 19.911 | 21/7:05.895 |
| 5 | 2 | 20.492 | 21/7:06.783 |
| 6 | 2 | 20.565 | 21/7:07.063 |
| 7 | 2 | 20.212 | 21/7:07.176 |
| 8 | 2 | 19.909 | 21/7:06.040 |
| 9 | 2 | 19.950 | 21/7:05.252 |
| 10 | 2 | 20.498 | 21/7:05.772 |
| 11 | 4 | 25.583 | 21/7:15.906 |
| 12 | 2 | 20.574 | 21/7:15.585 |
| 13 | 2 | 20.334 | 21/7:14.926 |
| 14 | 2 | 20.800 | 21/7:15.006 |
| 15 | 2 | 20.447 | 21/7:14.681 |
| 16 | 2 | 20.326 | 21/7:14.192 |
| 17 | 2 | 20.754 | 21/7:14.288 |
| 18 | 2 | 20.906 | 21/7:14.551 |
| 19 | 2 | 20.849 | 21/7:14.724 |
| 20 | 2 | 20.483 | 21/7:14.495 |
| 21 | 2 | 20.902 | 21/7:14.707 |