| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.489 | 20/6:09.780 |
| 2 | 3 | 18.637 | 20/6:11.260 |
| 3 | 3 | 18.880 | 20/6:13.373 |
| 4 | 3 | 18.764 | 20/6:13.850 |
| 5 | 6 | 19.469 | 20/6:16.956 |
| 6 | 6 | 18.613 | 20/6:16.173 |
| 7 | 6 | 18.414 | 20/6:15.046 |
| 8 | 4 | 18.141 | 20/6:13.518 |
| 9 | 4 | 18.328 | 20/6:12.744 |
| 10 | 4 | 19.121 | 20/6:13.712 |
| 11 | 4 | 18.624 | 20/6:13.600 |
| 12 | 3 | 18.211 | 20/6:12.818 |
| 13 | 3 | 18.011 | 20/6:11.849 |
| 14 | 3 | 18.212 | 20/6:11.306 |
| 15 | 3 | 18.759 | 20/6:11.564 |
| 16 | 6 | 24.519 | 19/6:00.041 |
| 17 | 6 | 24.810 | 19/6:06.590 |
| 18 | 5 | 18.577 | 19/6:05.833 |
| 19 | 5 | 21.080 | 19/6:07.659 |