| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.351 | 20/6:07.020 |
| 2 | 3 | 17.648 | 21/6:17.989 |
| 3 | 3 | 19.021 | 20/6:06.800 |
| 4 | 3 | 18.550 | 20/6:07.850 |
| 5 | 3 | 18.361 | 20/6:07.724 |
| 6 | 3 | 17.457 | 20/6:04.627 |
| 7 | 3 | 18.141 | 20/6:04.369 |
| 8 | 2 | 21.539 | 20/6:12.670 |
| 9 | 3 | 18.986 | 20/6:13.453 |
| 10 | 2 | 19.912 | 20/6:15.932 |
| 11 | 2 | 17.313 | 20/6:13.235 |
| 12 | 2 | 21.444 | 20/6:17.872 |
| 13 | 2 | 18.800 | 20/6:17.728 |
| 14 | 2 | 17.808 | 20/6:16.187 |
| 15 | 1 | 17.234 | 20/6:14.087 |
| 16 | 1 | 19.002 | 20/6:14.459 |
| 17 | 1 | 19.055 | 20/6:14.849 |
| 18 | 2 | 18.847 | 20/6:14.966 |
| 19 | 2 | 20.314 | 20/6:16.614 |
| 20 | 2 | 20.476 | 20/6:18.259 |