| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.399 | 20/6:07.980 |
| 2 | 3 | 17.760 | 20/6:01.590 |
| 3 | 1 | 18.571 | 20/6:04.867 |
| 4 | 1 | 18.948 | 20/6:08.390 |
| 5 | 1 | 18.456 | 20/6:08.536 |
| 6 | 1 | 19.869 | 20/6:13.343 |
| 7 | 1 | 18.546 | 20/6:12.997 |
| 8 | 1 | 17.570 | 20/6:10.298 |
| 9 | 2 | 19.152 | 20/6:11.713 |
| 10 | 2 | 18.611 | 20/6:11.764 |
| 11 | 2 | 18.116 | 20/6:10.905 |
| 12 | 1 | 19.464 | 20/6:12.437 |
| 13 | 2 | 23.402 | 19/6:00.801 |
| 14 | 2 | 19.569 | 19/6:01.588 |
| 15 | 2 | 17.652 | 20/6:18.780 |
| 16 | 2 | 17.212 | 20/6:16.621 |
| 17 | 2 | 18.653 | 20/6:16.412 |
| 18 | 2 | 17.982 | 20/6:15.480 |
| 19 | 2 | 19.147 | 20/6:15.873 |
| 20 | 2 | 18.143 | 20/6:15.222 |