| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 29.639 | N/A |
| 2 | 5 | 23.714 | 20/8:00.205 |
| 3 | 3 | 23.732 | 20/8:00.376 |
| 4 | 3 | 23.527 | 21/8:22.792 |
| 5 | 3 | 22.620 | 21/8:17.604 |
| 6 | 3 | 22.373 | 21/8:13.503 |
| 7 | 2 | 22.769 | 21/8:12.089 |
| 8 | 3 | 26.322 | 21/8:21.230 |
| 9 | 3 | 23.031 | 21/8:19.859 |
| 10 | 4 | 26.907 | 20/8:03.517 |
| 11 | 4 | 22.619 | 20/8:01.105 |
| 12 | 4 | 22.695 | 21/8:22.928 |
| 13 | 3 | 25.771 | 20/8:02.599 |
| 14 | 3 | 22.527 | 20/8:00.068 |
| 15 | 2 | 23.468 | 20/8:00.312 |
| 16 | 2 | 22.164 | 21/8:21.957 |
| 17 | 3 | 25.867 | 20/8:01.014 |
| 18 | 3 | 21.960 | 21/8:22.657 |
| 19 | 3 | 21.970 | 21/8:20.790 |
| 20 | 3 | 27.312 | 20/8:00.987 |