| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.029 | 18/6:18.522 |
| 2 | 1 | 21.503 | 17/6:01.522 |
| 3 | 2 | 21.343 | 17/6:01.958 |
| 4 | 2 | 20.832 | 17/6:00.005 |
| 5 | 1 | 20.864 | 18/6:20.056 |
| 6 | 2 | 20.974 | 18/6:19.635 |
| 7 | 1 | 21.229 | 18/6:19.990 |
| 8 | 2 | 21.538 | 18/6:20.952 |
| 9 | 2 | 21.331 | 17/6:00.103 |
| 10 | 3 | 22.107 | 17/6:01.675 |
| 11 | 3 | 24.171 | 17/6:06.151 |
| 12 | 3 | 21.911 | 17/6:06.679 |
| 13 | 3 | 22.446 | 17/6:07.825 |
| 14 | 3 | 21.707 | 17/6:07.910 |
| 15 | 3 | 21.823 | 17/6:08.116 |
| 16 | 3 | 21.631 | 17/6:08.091 |
| 17 | 3 | 22.066 | 17/6:08.505 |