| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.964 | N/A |
| 2 | 1 | 18.324 | 20/6:08.012 |
| 3 | 1 | 18.481 | 20/6:09.611 |
| 4 | 1 | 18.751 | 20/6:11.818 |
| 5 | 1 | 18.591 | 20/6:12.162 |
| 6 | 1 | 18.723 | 20/6:12.087 |
| 7 | 1 | 18.388 | 20/6:12.281 |
| 8 | 1 | 18.371 | 20/6:11.814 |
| 9 | 1 | 18.226 | 20/6:11.119 |
| 10 | 1 | 18.392 | 20/6:10.929 |
| 11 | 2 | 19.747 | 20/6:13.352 |
| 12 | 2 | 18.189 | 20/6:12.643 |
| 13 | 1 | 18.642 | 20/6:12.770 |
| 14 | 1 | 17.946 | 20/6:11.860 |
| 15 | 1 | 18.081 | 20/6:11.263 |
| 16 | 1 | 18.769 | 20/6:11.617 |
| 17 | 1 | 18.660 | 20/6:11.797 |
| 18 | 1 | 18.052 | 20/6:11.277 |
| 19 | 1 | 18.292 | 20/6:11.068 |
| 20 | 1 | 18.339 | 20/6:10.928 |