| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.554 | 17/6:06.418 |
| 2 | 2 | 21.352 | 17/6:04.701 |
| 3 | 2 | 20.275 | 18/6:19.086 |
| 4 | 2 | 19.375 | 18/6:11.502 |
| 5 | 1 | 19.654 | 18/6:07.956 |
| 6 | 1 | 19.886 | 18/6:06.288 |
| 7 | 2 | 21.699 | 18/6:09.759 |
| 8 | 1 | 20.150 | 18/6:08.876 |
| 9 | 2 | 20.733 | 18/6:09.356 |
| 10 | 2 | 20.520 | 18/6:09.356 |
| 11 | 2 | 19.893 | 18/6:08.331 |
| 12 | 2 | 20.264 | 18/6:08.033 |
| 13 | 1 | 20.083 | 18/6:07.530 |
| 14 | 1 | 20.950 | 18/6:08.213 |
| 15 | 1 | 20.243 | 18/6:07.957 |
| 16 | 2 | 21.473 | 18/6:09.117 |
| 17 | 2 | 20.332 | 18/6:08.932 |
| 18 | 2 | 24.494 | 18/6:12.930 |