| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 21.644 | 17/6:07.948 |
| 2 | 2 | 21.143 | 17/6:03.690 |
| 3 | 1 | 20.548 | 18/6:20.010 |
| 4 | 1 | 21.155 | 18/6:20.205 |
| 5 | 2 | 21.120 | 18/6:20.196 |
| 6 | 1 | 20.614 | 18/6:18.672 |
| 7 | 2 | 21.745 | 18/6:20.492 |
| 8 | 1 | 20.940 | 18/6:20.045 |
| 9 | 1 | 20.500 | 18/6:18.818 |
| 10 | 1 | 21.333 | 18/6:19.336 |
| 11 | 2 | 23.820 | 17/6:02.505 |
| 12 | 2 | 20.627 | 17/6:01.518 |
| 13 | 2 | 20.771 | 17/6:00.871 |
| 14 | 2 | 21.411 | 17/6:01.093 |
| 15 | 2 | 21.072 | 17/6:00.902 |
| 16 | 2 | 23.782 | 17/6:03.614 |
| 17 | 2 | 21.281 | 17/6:03.506 |