| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 11.318 | N/A |
| 2 | 4 | 17.780 | 21/6:06.918 |
| 3 | 2 | 18.695 | 21/6:16.068 |
| 4 | 2 | 17.332 | 21/6:10.031 |
| 5 | 1 | 18.201 | 21/6:11.358 |
| 6 | 1 | 18.068 | 21/6:11.622 |
| 7 | 1 | 17.593 | 21/6:10.214 |
| 8 | 1 | 17.644 | 21/6:09.355 |
| 9 | 1 | 17.785 | 21/6:09.063 |
| 10 | 1 | 17.461 | 21/6:08.115 |
| 11 | 1 | 17.260 | 21/6:06.956 |
| 12 | 1 | 17.634 | 21/6:06.687 |
| 13 | 1 | 17.379 | 21/6:06.038 |
| 14 | 1 | 17.445 | 21/6:05.590 |
| 15 | 1 | 17.951 | 21/6:05.929 |
| 16 | 1 | 17.784 | 21/6:06.000 |
| 17 | 1 | 17.507 | 21/6:05.716 |
| 18 | 1 | 17.961 | 21/6:06.000 |
| 19 | 1 | 17.648 | 21/6:05.904 |
| 20 | 1 | 19.257 | 21/6:07.512 |
| 21 | 1 | 18.772 | 21/6:08.475 |