| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.581 | 21/6:09.201 |
| 2 | 4 | 18.103 | 21/6:14.682 |
| 3 | 5 | 17.343 | 21/6:11.189 |
| 4 | 6 | 18.191 | 21/6:13.894 |
| 5 | 4 | 16.495 | 21/6:08.395 |
| 6 | 7 | 22.296 | 20/6:06.697 |
| 7 | 6 | 18.484 | 20/6:07.123 |
| 8 | 6 | 21.789 | 20/6:15.705 |
| 9 | 6 | 17.370 | 20/6:12.560 |
| 10 | 7 | 17.576 | 20/6:10.456 |
| 11 | 6 | 18.431 | 20/6:10.289 |
| 12 | 7 | 20.368 | 20/6:13.378 |
| 13 | 7 | 19.641 | 20/6:14.874 |
| 14 | 6 | 18.738 | 20/6:14.866 |
| 15 | 6 | 18.482 | 20/6:14.517 |
| 16 | 6 | 17.591 | 20/6:13.099 |
| 17 | 6 | 17.137 | 20/6:11.313 |
| 18 | 6 | 17.328 | 20/6:09.938 |
| 19 | 7 | 17.260 | 20/6:08.636 |
| 20 | 7 | 18.499 | 20/6:08.703 |