| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 18.172 | 20/6:03.440 |
| 2 | 2 | 18.204 | 20/6:03.760 |
| 3 | 1 | 18.076 | 20/6:03.013 |
| 4 | 1 | 18.075 | 20/6:02.635 |
| 5 | 1 | 17.826 | 20/6:01.412 |
| 6 | 2 | 18.772 | 20/6:03.750 |
| 7 | 2 | 17.643 | 20/6:02.194 |
| 8 | 2 | 22.443 | 20/6:13.028 |
| 9 | 2 | 17.668 | 20/6:10.842 |
| 10 | 2 | 17.691 | 20/6:09.140 |
| 11 | 2 | 17.793 | 20/6:07.933 |
| 12 | 2 | 18.346 | 20/6:07.848 |
| 13 | 2 | 17.420 | 20/6:06.352 |
| 14 | 2 | 17.502 | 20/6:05.187 |
| 15 | 2 | 18.028 | 20/6:04.879 |
| 16 | 2 | 18.508 | 20/6:05.209 |
| 17 | 2 | 18.491 | 20/6:05.480 |
| 18 | 2 | 18.632 | 20/6:05.878 |
| 19 | 2 | 18.679 | 20/6:06.283 |
| 20 | 2 | 18.084 | 20/6:06.053 |