| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 25.104 | N/A |
| 2 | 3 | 20.619 | 21/7:17.484 |
| 3 | 3 | 19.322 | 21/7:04.514 |
| 4 | 3 | 19.828 | 21/7:03.564 |
| 5 | 3 | 19.994 | 21/7:03.919 |
| 6 | 3 | 19.501 | 21/7:02.016 |
| 7 | 3 | 22.497 | 21/7:10.974 |
| 8 | 3 | 19.205 | 21/7:07.864 |
| 9 | 3 | 19.535 | 21/7:06.356 |
| 10 | 3 | 19.650 | 21/7:05.439 |
| 11 | 3 | 21.182 | 21/7:07.077 |
| 12 | 3 | 20.148 | 21/7:07.796 |
| 13 | 2 | 19.646 | 21/7:06.982 |
| 14 | 2 | 19.672 | 21/7:06.333 |
| 15 | 2 | 19.599 | 21/7:05.672 |
| 16 | 1 | 19.713 | 21/7:05.252 |
| 17 | 1 | 19.945 | 21/7:05.174 |
| 18 | 1 | 19.696 | 21/7:04.812 |
| 19 | 1 | 19.991 | 21/7:04.818 |
| 20 | 1 | 19.885 | 21/7:04.712 |
| 21 | 1 | 20.051 | 21/7:04.783 |