| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.102 | N/A |
| 2 | 1 | 17.234 | 21/6:03.782 |
| 3 | 1 | 17.088 | 21/6:02.322 |
| 4 | 1 | 17.197 | 21/6:02.562 |
| 5 | 1 | 17.760 | 21/6:05.497 |
| 6 | 1 | 17.414 | 21/6:05.874 |
| 7 | 1 | 17.134 | 21/6:05.192 |
| 8 | 1 | 17.162 | 21/6:04.784 |
| 9 | 1 | 17.265 | 21/6:04.737 |
| 10 | 1 | 17.810 | 21/6:05.910 |
| 11 | 1 | 17.354 | 21/6:05.938 |
| 12 | 1 | 17.371 | 21/6:05.991 |
| 13 | 1 | 17.640 | 21/6:06.483 |
| 14 | 1 | 17.839 | 21/6:07.206 |
| 15 | 1 | 17.814 | 21/6:07.790 |
| 16 | 1 | 17.411 | 21/6:07.759 |
| 17 | 1 | 17.363 | 21/6:07.672 |
| 18 | 1 | 17.406 | 21/6:07.645 |
| 19 | 1 | 17.434 | 21/6:07.653 |
| 20 | 1 | 18.460 | 21/6:08.739 |
| 21 | 1 | 18.111 | 21/6:09.369 |