| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.356 | 19/6:07.764 |
| 2 | 4 | 19.547 | 19/6:09.579 |
| 3 | 2 | 19.503 | 19/6:09.905 |
| 4 | 3 | 26.240 | 18/6:20.907 |
| 5 | 3 | 21.214 | 18/6:21.096 |
| 6 | 3 | 19.982 | 18/6:17.526 |
| 7 | 3 | 20.872 | 18/6:17.265 |
| 8 | 3 | 19.451 | 18/6:13.871 |
| 9 | 3 | 20.162 | 18/6:12.654 |
| 10 | 3 | 19.496 | 18/6:10.481 |
| 11 | 3 | 20.337 | 18/6:10.080 |
| 12 | 4 | 21.316 | 18/6:11.214 |
| 13 | 4 | 20.662 | 18/6:11.268 |
| 14 | 4 | 18.679 | 18/6:08.765 |
| 15 | 3 | 19.159 | 18/6:07.171 |
| 16 | 2 | 19.016 | 18/6:05.616 |
| 17 | 2 | 18.855 | 18/6:04.073 |
| 18 | 2 | 19.671 | 18/6:03.518 |