| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.799 | N/A |
| 2 | 2 | 17.553 | 21/6:10.859 |
| 3 | 2 | 17.359 | 21/6:08.919 |
| 4 | 2 | 16.612 | 21/6:03.292 |
| 5 | 2 | 17.642 | 21/6:05.629 |
| 6 | 2 | 17.581 | 21/6:06.787 |
| 7 | 2 | 17.003 | 21/6:05.632 |
| 8 | 2 | 17.776 | 21/6:07.016 |
| 9 | 2 | 17.006 | 21/6:06.129 |
| 10 | 3 | 20.535 | 21/6:13.281 |
| 11 | 2 | 17.115 | 21/6:12.163 |
| 12 | 2 | 16.773 | 21/6:10.626 |
| 13 | 2 | 17.169 | 21/6:10.005 |
| 14 | 2 | 17.028 | 21/6:09.263 |
| 15 | 2 | 17.116 | 21/6:08.753 |
| 16 | 2 | 17.162 | 21/6:08.372 |
| 17 | 2 | 17.272 | 21/6:08.176 |
| 18 | 2 | 16.854 | 21/6:07.511 |
| 19 | 2 | 16.702 | 21/6:06.752 |
| 20 | 2 | 17.284 | 21/6:06.685 |
| 21 | 2 | 17.892 | 21/6:07.233 |