| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.942 | 19/6:18.898 |
| 2 | 3 | 20.779 | 18/6:06.489 |
| 3 | 3 | 22.190 | 18/6:17.466 |
| 4 | 3 | 19.659 | 18/6:11.565 |
| 5 | 3 | 19.987 | 18/6:09.205 |
| 6 | 3 | 20.020 | 18/6:07.731 |
| 7 | 3 | 19.774 | 18/6:06.045 |
| 8 | 2 | 21.778 | 18/6:09.290 |
| 9 | 2 | 21.826 | 18/6:11.910 |
| 10 | 2 | 20.234 | 18/6:11.140 |
| 11 | 3 | 23.404 | 18/6:15.698 |
| 12 | 2 | 20.282 | 18/6:14.813 |
| 13 | 2 | 21.026 | 18/6:15.094 |
| 14 | 2 | 19.489 | 18/6:13.359 |
| 15 | 2 | 20.580 | 18/6:13.164 |
| 16 | 2 | 20.666 | 18/6:13.090 |
| 17 | 2 | 20.414 | 18/6:12.759 |
| 18 | 2 | 19.577 | 18/6:11.627 |