| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 21.897 | N/A |
| 2 | 5 | 17.041 | 21/6:02.717 |
| 3 | 5 | 17.332 | 21/6:05.627 |
| 4 | 4 | 17.186 | 21/6:05.623 |
| 5 | 3 | 17.536 | 21/6:07.372 |
| 6 | 3 | 17.330 | 21/6:07.597 |
| 7 | 3 | 17.398 | 21/6:07.973 |
| 8 | 3 | 17.641 | 21/6:08.937 |
| 9 | 3 | 17.984 | 21/6:10.517 |
| 10 | 3 | 18.731 | 21/6:13.405 |
| 11 | 3 | 17.520 | 21/6:13.295 |
| 12 | 2 | 17.400 | 21/6:12.986 |
| 13 | 1 | 17.340 | 21/6:12.628 |
| 14 | 1 | 17.577 | 21/6:12.690 |
| 15 | 1 | 17.762 | 21/6:13.008 |
| 16 | 1 | 17.550 | 21/6:13.001 |
| 17 | 2 | 19.375 | 21/6:15.275 |
| 18 | 2 | 17.152 | 21/6:14.667 |
| 19 | 2 | 20.306 | 21/6:17.631 |
| 20 | 2 | 19.860 | 20/6:01.918 |