| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.054 | 21/7:01.134 |
| 2 | 2 | 20.374 | 21/7:04.494 |
| 3 | 2 | 20.672 | 21/7:07.700 |
| 4 | 2 | 19.706 | 21/7:04.231 |
| 5 | 2 | 21.820 | 21/7:11.029 |
| 6 | 1 | 18.876 | 21/7:05.257 |
| 7 | 1 | 19.728 | 21/7:03.690 |
| 8 | 1 | 20.013 | 21/7:03.263 |
| 9 | 1 | 19.694 | 21/7:02.186 |
| 10 | 1 | 19.593 | 21/7:01.113 |
| 11 | 1 | 20.605 | 21/7:02.167 |
| 12 | 1 | 19.362 | 21/7:00.870 |
| 13 | 1 | 19.307 | 22/7:19.668 |
| 14 | 1 | 19.128 | 22/7:18.322 |
| 15 | 1 | 18.849 | 22/7:16.745 |
| 16 | 1 | 18.820 | 22/7:15.326 |
| 17 | 1 | 19.491 | 22/7:14.943 |
| 18 | 1 | 19.610 | 22/7:14.747 |
| 19 | 1 | 21.216 | 22/7:16.431 |
| 20 | 1 | 20.617 | 22/7:17.288 |
| 21 | 1 | 19.084 | 22/7:16.458 |
| 22 | 1 | 19.805 | 22/7:16.424 |