| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.101 | N/A |
| 2 | 2 | 26.406 | 19/8:18.409 |
| 3 | 1 | 25.115 | 19/8:06.079 |
| 4 | 1 | 25.685 | 19/8:06.337 |
| 5 | 1 | 26.581 | 19/8:10.142 |
| 6 | 1 | 26.168 | 19/8:10.939 |
| 7 | 1 | 27.427 | 19/8:15.247 |
| 8 | 1 | 26.251 | 19/8:15.300 |
| 9 | 2 | 26.577 | 19/8:16.073 |
| 10 | 2 | 29.570 | 19/8:22.661 |
| 11 | 2 | 25.329 | 19/8:20.297 |
| 12 | 3 | 33.960 | 18/8:05.298 |
| 13 | 3 | 30.669 | 18/8:10.229 |
| 14 | 3 | 25.134 | 18/8:07.164 |
| 15 | 3 | 25.778 | 18/8:05.318 |
| 16 | 2 | 27.670 | 18/8:05.863 |
| 17 | 2 | 25.804 | 18/8:04.357 |
| 18 | 2 | 28.618 | 18/8:05.843 |