| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.879 | 21/6:15.459 |
| 2 | 3 | 17.702 | 21/6:13.601 |
| 3 | 2 | 18.089 | 21/6:15.690 |
| 4 | 2 | 17.927 | 21/6:15.884 |
| 5 | 2 | 18.865 | 20/6:01.848 |
| 6 | 2 | 17.730 | 20/6:00.640 |
| 7 | 2 | 17.764 | 21/6:17.868 |
| 8 | 1 | 18.151 | 20/6:00.267 |
| 9 | 1 | 18.347 | 20/6:01.009 |
| 10 | 1 | 19.631 | 20/6:04.170 |
| 11 | 1 | 18.118 | 20/6:04.005 |
| 12 | 1 | 22.414 | 20/6:11.028 |
| 13 | 1 | 17.951 | 20/6:10.105 |
| 14 | 1 | 17.956 | 20/6:09.320 |
| 15 | 1 | 19.230 | 20/6:10.339 |
| 16 | 2 | 20.624 | 20/6:12.973 |
| 17 | 2 | 19.453 | 20/6:13.919 |
| 18 | 2 | 17.535 | 20/6:12.629 |
| 19 | 2 | 17.968 | 20/6:11.931 |
| 20 | 2 | 17.995 | 20/6:11.329 |