| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.866 | 21/6:15.186 |
| 2 | 2 | 16.991 | 21/6:05.998 |
| 3 | 2 | 18.053 | 21/6:10.370 |
| 4 | 3 | 22.833 | 20/6:18.715 |
| 5 | 3 | 17.482 | 20/6:12.900 |
| 6 | 2 | 17.292 | 20/6:08.390 |
| 7 | 2 | 16.947 | 20/6:04.183 |
| 8 | 2 | 17.209 | 20/6:01.683 |
| 9 | 2 | 18.810 | 20/6:03.296 |
| 10 | 2 | 18.760 | 20/6:04.486 |
| 11 | 3 | 17.387 | 20/6:02.964 |
| 12 | 3 | 19.487 | 20/6:05.195 |
| 13 | 3 | 17.849 | 20/6:04.563 |
| 14 | 3 | 18.388 | 20/6:04.791 |
| 15 | 3 | 17.492 | 20/6:03.795 |
| 16 | 3 | 18.935 | 20/6:04.726 |
| 17 | 3 | 17.861 | 20/6:04.285 |
| 18 | 4 | 20.984 | 20/6:07.362 |
| 19 | 4 | 16.982 | 20/6:05.903 |
| 20 | 3 | 17.603 | 20/6:05.211 |