| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.358 | 18/6:06.444 |
| 2 | 2 | 20.170 | 18/6:04.752 |
| 3 | 1 | 19.568 | 18/6:00.576 |
| 4 | 1 | 20.180 | 18/6:01.242 |
| 5 | 1 | 20.630 | 18/6:03.262 |
| 6 | 1 | 20.164 | 18/6:03.210 |
| 7 | 2 | 21.996 | 18/6:07.884 |
| 8 | 2 | 20.430 | 18/6:07.866 |
| 9 | 2 | 20.760 | 18/6:08.512 |
| 10 | 2 | 20.404 | 18/6:08.388 |
| 11 | 2 | 20.119 | 18/6:07.820 |
| 12 | 2 | 20.403 | 18/6:07.773 |
| 13 | 2 | 20.574 | 18/6:07.970 |
| 14 | 2 | 20.072 | 18/6:07.493 |
| 15 | 2 | 19.907 | 18/6:06.882 |
| 16 | 2 | 20.889 | 18/6:07.452 |
| 17 | 2 | 20.294 | 18/6:07.325 |
| 18 | 2 | 20.086 | 18/6:07.004 |