| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.206 | 20/6:04.120 |
| 2 | 2 | 17.927 | 20/6:01.330 |
| 3 | 2 | 18.285 | 20/6:02.787 |
| 4 | 2 | 18.042 | 20/6:02.300 |
| 5 | 2 | 18.376 | 20/6:03.344 |
| 6 | 2 | 18.260 | 20/6:03.653 |
| 7 | 3 | 21.483 | 20/6:13.083 |
| 8 | 2 | 17.747 | 20/6:10.815 |
| 9 | 2 | 17.883 | 20/6:09.353 |
| 10 | 2 | 18.686 | 20/6:09.790 |
| 11 | 2 | 17.725 | 20/6:08.400 |
| 12 | 2 | 18.289 | 20/6:08.182 |
| 13 | 2 | 17.504 | 20/6:06.789 |
| 14 | 2 | 22.631 | 20/6:12.920 |
| 15 | 2 | 19.160 | 20/6:13.605 |
| 16 | 3 | 18.222 | 20/6:13.033 |
| 17 | 3 | 18.729 | 20/6:13.124 |
| 18 | 3 | 18.353 | 20/6:12.787 |
| 19 | 3 | 17.935 | 20/6:12.045 |
| 20 | 3 | 18.152 | 20/6:11.595 |