| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 27.364 | N/A |
| 2 | 2 | 24.053 | 20/8:04.371 |
| 3 | 2 | 24.048 | 20/8:04.323 |
| 4 | 2 | 24.318 | 20/8:06.017 |
| 5 | 2 | 24.171 | 20/8:06.166 |
| 6 | 2 | 25.524 | 20/8:11.397 |
| 7 | 2 | 27.026 | 20/8:19.640 |
| 8 | 2 | 24.657 | 20/8:19.098 |
| 9 | 3 | 25.849 | 20/8:21.523 |
| 10 | 3 | 26.456 | 20/8:24.690 |
| 11 | 3 | 23.840 | 20/8:22.253 |
| 12 | 2 | 24.553 | 20/8:21.491 |
| 13 | 2 | 24.248 | 20/8:20.373 |
| 14 | 2 | 24.824 | 20/8:20.269 |
| 15 | 2 | 24.569 | 20/8:19.834 |
| 16 | 2 | 24.647 | 20/8:19.555 |
| 17 | 2 | 25.057 | 20/8:19.799 |
| 18 | 2 | 25.475 | 20/8:20.480 |
| 19 | 2 | 24.983 | 20/8:20.567 |
| 20 | 2 | 24.238 | 20/8:19.900 |