| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 30.315 | N/A |
| 2 | 3 | 22.076 | 19/7:07.683 |
| 3 | 3 | 22.011 | 19/7:07.098 |
| 4 | 3 | 22.329 | 19/7:08.811 |
| 5 | 3 | 21.976 | 19/7:08.079 |
| 6 | 3 | 21.979 | 19/7:07.650 |
| 7 | 3 | 22.336 | 19/7:08.436 |
| 8 | 3 | 21.746 | 19/7:07.479 |
| 9 | 3 | 25.643 | 19/7:15.531 |
| 10 | 3 | 24.705 | 19/7:19.917 |
| 11 | 3 | 23.568 | 19/7:21.379 |
| 12 | 3 | 22.014 | 19/7:20.032 |
| 13 | 3 | 23.065 | 19/7:20.487 |
| 14 | 3 | 22.995 | 19/7:20.774 |
| 15 | 3 | 22.364 | 19/7:20.209 |
| 16 | 3 | 23.829 | 19/7:21.478 |
| 17 | 3 | 21.330 | 19/7:19.776 |
| 18 | 3 | 21.719 | 19/7:18.687 |
| 19 | 3 | 22.964 | 19/7:18.964 |