| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.712 | N/A |
| 2 | 1 | 17.627 | 21/6:11.252 |
| 3 | 1 | 17.757 | 21/6:12.552 |
| 4 | 1 | 17.810 | 21/6:13.338 |
| 5 | 1 | 17.409 | 21/6:11.727 |
| 6 | 2 | 21.277 | 20/6:07.856 |
| 7 | 2 | 18.437 | 20/6:08.049 |
| 8 | 2 | 17.763 | 20/6:06.357 |
| 9 | 2 | 17.505 | 20/6:04.476 |
| 10 | 1 | 18.144 | 20/6:04.362 |
| 11 | 1 | 17.842 | 20/6:03.696 |
| 12 | 1 | 18.138 | 20/6:03.663 |
| 13 | 1 | 17.648 | 20/6:02.860 |
| 14 | 1 | 17.351 | 20/6:01.746 |
| 15 | 2 | 18.741 | 20/6:02.678 |
| 16 | 2 | 17.660 | 20/6:02.116 |
| 17 | 2 | 18.871 | 20/6:03.063 |
| 18 | 1 | 18.431 | 20/6:03.406 |
| 19 | 1 | 18.352 | 20/6:03.628 |
| 20 | 1 | 18.479 | 20/6:03.954 |