| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.072 | 20/6:01.440 |
| 2 | 2 | 18.715 | 20/6:07.870 |
| 3 | 2 | 17.809 | 20/6:03.973 |
| 4 | 2 | 17.665 | 20/6:01.305 |
| 5 | 3 | 23.554 | 19/6:04.097 |
| 6 | 2 | 17.859 | 20/6:18.913 |
| 7 | 6 | 22.604 | 19/6:09.897 |
| 8 | 4 | 18.894 | 19/6:08.534 |
| 9 | 3 | 17.465 | 19/6:04.456 |
| 10 | 3 | 18.030 | 19/6:02.267 |
| 11 | 2 | 18.129 | 19/6:00.648 |
| 12 | 2 | 17.850 | 20/6:17.743 |
| 13 | 3 | 20.898 | 19/6:01.795 |
| 14 | 2 | 17.715 | 20/6:18.941 |
| 15 | 2 | 18.535 | 20/6:18.392 |
| 16 | 2 | 18.732 | 20/6:18.158 |
| 17 | 3 | 25.490 | 19/6:06.606 |
| 18 | 3 | 18.422 | 19/6:05.685 |
| 19 | 3 | 17.982 | 19/6:04.420 |