| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.518 | 21/6:07.878 |
| 2 | 2 | 20.730 | 19/6:03.356 |
| 3 | 1 | 17.885 | 20/6:14.022 |
| 4 | 2 | 23.332 | 19/6:17.458 |
| 5 | 2 | 17.062 | 19/6:06.802 |
| 6 | 2 | 16.350 | 20/6:16.256 |
| 7 | 2 | 17.912 | 20/6:13.682 |
| 8 | 2 | 20.288 | 20/6:17.692 |
| 9 | 2 | 19.025 | 20/6:18.004 |
| 10 | 2 | 17.365 | 20/6:14.934 |
| 11 | 2 | 16.640 | 20/6:11.103 |
| 12 | 2 | 16.241 | 20/6:07.246 |
| 13 | 2 | 20.553 | 20/6:10.616 |
| 14 | 2 | 31.687 | 19/6:09.940 |
| 15 | 2 | 19.234 | 19/6:09.641 |
| 16 | 2 | 16.479 | 19/6:06.107 |
| 17 | 2 | 33.005 | 18/6:01.382 |
| 18 | 2 | 23.035 | 18/6:04.341 |