| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.134 | 19/6:03.546 |
| 2 | 2 | 20.181 | 19/6:13.492 |
| 3 | 1 | 20.336 | 19/6:17.790 |
| 4 | 1 | 18.850 | 19/6:12.880 |
| 5 | 2 | 24.670 | 18/6:11.416 |
| 6 | 2 | 19.162 | 18/6:06.999 |
| 7 | 2 | 18.981 | 18/6:03.379 |
| 8 | 2 | 21.807 | 18/6:07.022 |
| 9 | 2 | 19.939 | 18/6:06.120 |
| 10 | 2 | 20.012 | 18/6:05.530 |
| 11 | 2 | 24.664 | 18/6:12.659 |
| 12 | 2 | 19.121 | 18/6:10.286 |
| 13 | 2 | 19.221 | 18/6:08.416 |
| 14 | 1 | 20.211 | 18/6:08.086 |
| 15 | 1 | 19.049 | 18/6:06.406 |
| 16 | 1 | 18.759 | 18/6:04.609 |
| 17 | 2 | 27.827 | 18/6:12.625 |
| 18 | 2 | 19.832 | 18/6:11.756 |