| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.116 | N/A |
| 2 | 2 | 20.090 | 21/7:04.916 |
| 3 | 2 | 21.266 | 21/7:16.676 |
| 4 | 2 | 20.246 | 21/7:13.796 |
| 5 | 2 | 20.401 | 21/7:13.131 |
| 6 | 2 | 20.151 | 21/7:11.732 |
| 7 | 2 | 19.769 | 21/7:09.526 |
| 8 | 2 | 20.355 | 21/7:09.624 |
| 9 | 3 | 25.044 | 20/7:00.505 |
| 10 | 3 | 20.311 | 21/7:20.078 |
| 11 | 3 | 20.219 | 21/7:18.082 |
| 12 | 3 | 20.647 | 21/7:18.568 |
| 13 | 3 | 20.440 | 21/7:18.014 |
| 14 | 3 | 20.404 | 21/7:17.489 |
| 15 | 3 | 19.644 | 21/7:15.954 |
| 16 | 3 | 20.278 | 21/7:15.469 |
| 17 | 4 | 24.116 | 21/7:19.842 |
| 18 | 4 | 20.060 | 21/7:18.928 |
| 19 | 4 | 19.922 | 21/7:17.963 |
| 20 | 4 | 22.151 | 21/7:19.446 |
| 21 | 4 | 20.283 | 21/7:18.913 |