| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 32.137 | N/A |
| 2 | 5 | 23.614 | 20/8:00.803 |
| 3 | 5 | 23.214 | 21/8:20.417 |
| 4 | 4 | 28.981 | 19/8:06.991 |
| 5 | 4 | 23.339 | 20/8:23.009 |
| 6 | 4 | 24.953 | 20/8:23.720 |
| 7 | 4 | 24.597 | 20/8:23.014 |
| 8 | 4 | 23.479 | 20/8:19.474 |
| 9 | 5 | 27.595 | 19/8:01.624 |
| 10 | 5 | 22.667 | 20/8:21.730 |
| 11 | 5 | 27.205 | 19/8:01.496 |
| 12 | 4 | 23.158 | 20/8:23.340 |
| 13 | 4 | 24.337 | 20/8:22.607 |
| 14 | 4 | 24.269 | 20/8:21.887 |
| 15 | 4 | 22.986 | 20/8:19.528 |
| 16 | 4 | 23.155 | 20/8:17.699 |
| 17 | 4 | 23.324 | 20/8:16.298 |
| 18 | 5 | 25.508 | 20/8:17.504 |
| 19 | 4 | 27.728 | 20/8:20.918 |
| 20 | 5 | 30.043 | 20/8:26.289 |