| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.869 | 21/6:15.249 |
| 2 | 1 | 17.635 | 21/6:12.792 |
| 3 | 1 | 18.393 | 21/6:17.279 |
| 4 | 1 | 18.411 | 20/6:01.540 |
| 5 | 3 | 20.057 | 20/6:09.460 |
| 6 | 1 | 18.157 | 20/6:08.407 |
| 7 | 2 | 17.440 | 20/6:05.606 |
| 8 | 2 | 17.942 | 20/6:04.760 |
| 9 | 1 | 17.949 | 20/6:04.118 |
| 10 | 1 | 18.451 | 20/6:04.608 |
| 11 | 1 | 17.785 | 20/6:03.798 |
| 12 | 2 | 18.511 | 20/6:04.333 |
| 13 | 1 | 17.719 | 20/6:03.568 |
| 14 | 1 | 19.439 | 20/6:05.369 |
| 15 | 1 | 17.471 | 20/6:04.305 |
| 16 | 2 | 21.603 | 20/6:08.540 |
| 17 | 3 | 22.088 | 20/6:12.847 |
| 18 | 4 | 18.746 | 20/6:12.962 |
| 19 | 3 | 18.085 | 20/6:12.369 |
| 20 | 4 | 24.492 | 20/6:18.243 |