| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.054 | N/A |
| 2 | 1 | 20.283 | 18/6:05.865 |
| 3 | 1 | 19.125 | 19/6:15.726 |
| 4 | 1 | 20.081 | 19/6:17.988 |
| 5 | 1 | 19.783 | 19/6:17.778 |
| 6 | 4 | 22.361 | 18/6:06.606 |
| 7 | 4 | 19.540 | 18/6:04.377 |
| 8 | 4 | 19.331 | 18/6:02.278 |
| 9 | 4 | 18.589 | 19/6:19.013 |
| 10 | 4 | 19.420 | 19/6:18.008 |
| 11 | 4 | 20.110 | 19/6:18.575 |
| 12 | 3 | 19.561 | 19/6:18.082 |
| 13 | 3 | 23.526 | 18/6:03.476 |
| 14 | 3 | 19.296 | 18/6:02.369 |
| 15 | 3 | 24.295 | 18/6:07.490 |
| 16 | 2 | 20.703 | 18/6:07.858 |
| 17 | 2 | 22.811 | 18/6:10.419 |
| 18 | 2 | 21.076 | 18/6:10.945 |