| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 22.245 | N/A |
| 2 | 2 | 20.910 | 21/7:20.445 |
| 3 | 2 | 23.342 | 19/7:00.513 |
| 4 | 1 | 20.317 | 20/7:11.182 |
| 5 | 1 | 22.444 | 20/7:15.556 |
| 6 | 1 | 20.567 | 20/7:11.049 |
| 7 | 1 | 19.562 | 20/7:04.861 |
| 8 | 1 | 19.961 | 20/7:01.524 |
| 9 | 1 | 21.299 | 20/7:02.199 |
| 10 | 2 | 23.644 | 20/7:07.675 |
| 11 | 2 | 22.338 | 20/7:09.574 |
| 12 | 1 | 19.906 | 20/7:06.927 |
| 13 | 1 | 20.192 | 20/7:05.174 |
| 14 | 1 | 22.590 | 20/7:07.196 |
| 15 | 1 | 22.052 | 20/7:08.199 |
| 16 | 1 | 20.080 | 20/7:06.570 |
| 17 | 1 | 19.534 | 20/7:04.496 |
| 18 | 1 | 19.881 | 20/7:03.054 |
| 19 | 1 | 22.014 | 20/7:04.024 |
| 20 | 1 | 19.814 | 20/7:02.692 |