| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.418 | 18/6:07.524 |
| 2 | 3 | 20.940 | 18/6:12.222 |
| 3 | 3 | 20.750 | 18/6:12.648 |
| 4 | 2 | 20.302 | 18/6:10.845 |
| 5 | 2 | 19.674 | 18/6:07.502 |
| 6 | 2 | 19.006 | 18/6:03.270 |
| 7 | 2 | 19.197 | 18/6:00.738 |
| 8 | 2 | 19.643 | 19/6:19.834 |
| 9 | 2 | 19.934 | 19/6:19.713 |
| 10 | 2 | 19.794 | 19/6:19.350 |
| 11 | 2 | 19.850 | 19/6:19.150 |
| 12 | 2 | 22.431 | 18/6:02.909 |
| 13 | 2 | 20.177 | 18/6:02.930 |
| 14 | 2 | 20.007 | 18/6:02.730 |
| 15 | 2 | 20.075 | 18/6:02.638 |
| 16 | 2 | 19.154 | 18/6:01.521 |
| 17 | 1 | 19.379 | 18/6:00.774 |
| 18 | 2 | 19.851 | 18/6:00.582 |