| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.587 | 20/6:11.740 |
| 2 | 2 | 18.174 | 20/6:07.610 |
| 3 | 2 | 19.342 | 20/6:14.020 |
| 4 | 1 | 17.698 | 20/6:09.005 |
| 5 | 1 | 18.544 | 20/6:09.380 |
| 6 | 1 | 18.205 | 20/6:08.500 |
| 7 | 1 | 18.380 | 20/6:08.371 |
| 8 | 1 | 18.638 | 20/6:08.920 |
| 9 | 1 | 18.379 | 20/6:08.771 |
| 10 | 1 | 17.836 | 20/6:07.566 |
| 11 | 1 | 17.807 | 20/6:06.527 |
| 12 | 1 | 20.021 | 20/6:09.352 |
| 13 | 1 | 18.140 | 20/6:08.848 |
| 14 | 1 | 17.586 | 20/6:07.624 |
| 15 | 1 | 18.068 | 20/6:07.207 |
| 16 | 1 | 17.797 | 20/6:06.502 |
| 17 | 1 | 19.866 | 20/6:08.315 |
| 18 | 1 | 18.177 | 20/6:08.050 |
| 19 | 1 | 17.788 | 20/6:07.403 |
| 20 | 1 | 20.994 | 20/6:10.027 |