| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.689 | 18/6:12.402 |
| 2 | 3 | 21.027 | 18/6:15.444 |
| 3 | 3 | 20.520 | 18/6:13.416 |
| 4 | 2 | 21.010 | 18/6:14.607 |
| 5 | 2 | 19.996 | 18/6:11.671 |
| 6 | 2 | 20.524 | 18/6:11.298 |
| 7 | 2 | 21.381 | 18/6:13.235 |
| 8 | 2 | 20.587 | 18/6:12.901 |
| 9 | 2 | 21.050 | 18/6:13.568 |
| 10 | 1 | 20.302 | 18/6:12.755 |
| 11 | 1 | 22.944 | 18/6:16.413 |
| 12 | 1 | 20.023 | 18/6:15.079 |
| 13 | 1 | 22.662 | 18/6:17.605 |
| 14 | 2 | 24.975 | 17/6:01.481 |
| 15 | 2 | 20.642 | 17/6:00.776 |
| 16 | 1 | 20.576 | 17/6:00.090 |
| 17 | 1 | 20.638 | 18/6:20.696 |
| 18 | 1 | 22.440 | 18/6:21.986 |