| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.596 | N/A |
| 2 | 2 | 22.672 | 16/6:00.676 |
| 3 | 2 | 18.908 | 18/6:14.026 |
| 4 | 1 | 19.557 | 18/6:07.039 |
| 5 | 1 | 21.619 | 18/6:12.309 |
| 6 | 1 | 20.529 | 18/6:11.765 |
| 7 | 1 | 18.279 | 18/6:05.027 |
| 8 | 2 | 26.130 | 18/6:19.281 |
| 9 | 2 | 24.009 | 17/6:04.002 |
| 10 | 2 | 20.208 | 17/6:01.771 |
| 11 | 2 | 27.428 | 17/6:11.538 |
| 12 | 2 | 19.514 | 17/6:08.018 |
| 13 | 2 | 19.888 | 17/6:05.584 |
| 14 | 2 | 21.208 | 17/6:05.148 |
| 15 | 2 | 18.407 | 17/6:01.574 |
| 16 | 2 | 18.586 | 18/6:19.796 |
| 17 | 2 | 21.752 | 18/6:20.458 |
| 18 | 2 | 24.432 | 18/6:23.722 |