| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.332 | 18/6:05.976 |
| 2 | 1 | 21.494 | 18/6:16.434 |
| 3 | 1 | 19.720 | 18/6:09.276 |
| 4 | 2 | 23.126 | 18/6:21.024 |
| 5 | 2 | 20.546 | 18/6:18.785 |
| 6 | 2 | 20.335 | 18/6:16.659 |
| 7 | 1 | 19.987 | 18/6:14.246 |
| 8 | 1 | 20.379 | 18/6:13.318 |
| 9 | 1 | 19.803 | 18/6:11.444 |
| 10 | 1 | 20.450 | 18/6:11.110 |
| 11 | 1 | 20.584 | 18/6:11.055 |
| 12 | 1 | 22.338 | 18/6:13.641 |
| 13 | 1 | 20.147 | 18/6:12.795 |
| 14 | 1 | 20.152 | 18/6:12.077 |
| 15 | 1 | 20.485 | 18/6:11.854 |
| 16 | 1 | 20.783 | 18/6:11.994 |
| 17 | 1 | 21.201 | 18/6:12.560 |
| 18 | 2 | 22.330 | 18/6:14.192 |