| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.495 | 20/6:09.900 |
| 2 | 3 | 17.957 | 20/6:04.520 |
| 3 | 2 | 18.553 | 20/6:06.700 |
| 4 | 2 | 18.317 | 20/6:06.610 |
| 5 | 3 | 18.525 | 20/6:07.388 |
| 6 | 3 | 18.109 | 20/6:06.520 |
| 7 | 3 | 18.091 | 20/6:05.849 |
| 8 | 2 | 18.348 | 20/6:05.988 |
| 9 | 2 | 18.540 | 20/6:06.522 |
| 10 | 2 | 18.977 | 20/6:07.824 |
| 11 | 2 | 18.182 | 20/6:07.444 |
| 12 | 2 | 18.767 | 20/6:08.102 |
| 13 | 1 | 18.468 | 20/6:08.198 |
| 14 | 2 | 18.360 | 20/6:08.127 |
| 15 | 2 | 18.248 | 20/6:07.916 |
| 16 | 2 | 18.444 | 20/6:07.976 |
| 17 | 1 | 18.432 | 20/6:08.015 |
| 18 | 1 | 18.065 | 20/6:07.642 |
| 19 | 1 | 18.377 | 20/6:07.637 |
| 20 | 1 | 20.689 | 20/6:09.944 |