| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.411 | 21/6:05.631 |
| 2 | 1 | 16.923 | 21/6:00.507 |
| 3 | 2 | 17.884 | 21/6:05.526 |
| 4 | 2 | 17.781 | 21/6:07.495 |
| 5 | 1 | 17.164 | 21/6:06.085 |
| 6 | 1 | 17.361 | 21/6:05.834 |
| 7 | 1 | 17.144 | 21/6:05.004 |
| 8 | 1 | 17.284 | 21/6:04.749 |
| 9 | 1 | 16.930 | 21/6:03.725 |
| 10 | 1 | 17.631 | 21/6:04.377 |
| 11 | 1 | 17.987 | 21/6:05.591 |
| 12 | 1 | 17.885 | 21/6:06.424 |
| 13 | 1 | 16.695 | 21/6:05.206 |
| 14 | 1 | 19.450 | 21/6:08.295 |
| 15 | 1 | 16.823 | 21/6:07.294 |
| 16 | 1 | 17.485 | 21/6:07.287 |
| 17 | 1 | 18.076 | 21/6:08.011 |
| 18 | 1 | 17.752 | 21/6:08.277 |
| 19 | 1 | 16.953 | 21/6:07.632 |
| 20 | 1 | 17.060 | 21/6:07.163 |
| 21 | 1 | 17.632 | 21/6:07.311 |