| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.491 | 21/6:07.311 |
| 2 | 1 | 18.687 | 20/6:01.780 |
| 3 | 2 | 18.869 | 20/6:06.980 |
| 4 | 2 | 17.985 | 20/6:05.160 |
| 5 | 2 | 17.628 | 20/6:02.640 |
| 6 | 1 | 17.747 | 20/6:01.357 |
| 7 | 1 | 17.886 | 20/6:00.837 |
| 8 | 1 | 18.437 | 20/6:01.825 |
| 9 | 1 | 19.525 | 20/6:05.011 |
| 10 | 1 | 17.961 | 20/6:04.432 |
| 11 | 1 | 18.160 | 20/6:04.320 |
| 12 | 1 | 18.205 | 20/6:04.302 |
| 13 | 1 | 18.029 | 20/6:04.015 |
| 14 | 1 | 18.879 | 20/6:04.984 |
| 15 | 1 | 17.889 | 20/6:04.504 |
| 16 | 1 | 17.638 | 20/6:03.770 |
| 17 | 1 | 18.872 | 20/6:04.574 |
| 18 | 1 | 17.894 | 20/6:04.202 |
| 19 | 1 | 17.684 | 20/6:03.648 |
| 20 | 1 | 18.239 | 20/6:03.705 |