| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 30.623 | N/A |
| 2 | 4 | 26.037 | 19/8:19.289 |
| 3 | 4 | 24.200 | 19/8:02.756 |
| 4 | 5 | 29.945 | 18/8:04.987 |
| 5 | 5 | 25.053 | 19/8:24.180 |
| 6 | 5 | 25.641 | 19/8:21.776 |
| 7 | 5 | 29.748 | 18/8:05.724 |
| 8 | 5 | 24.461 | 18/8:00.115 |
| 9 | 5 | 26.426 | 18/8:00.083 |
| 10 | 5 | 25.892 | 19/8:25.429 |
| 11 | 5 | 27.429 | 18/8:00.837 |
| 12 | 5 | 24.910 | 19/8:24.746 |
| 13 | 4 | 29.424 | 18/8:02.774 |
| 14 | 4 | 24.352 | 19/8:26.263 |
| 15 | 4 | 24.272 | 19/8:23.495 |
| 16 | 4 | 26.602 | 19/8:23.893 |
| 17 | 4 | 24.189 | 19/8:21.526 |
| 18 | 4 | 32.864 | 18/8:02.068 |