| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.748 | 21/6:12.708 |
| 2 | 3 | 17.933 | 21/6:14.650 |
| 3 | 3 | 17.403 | 21/6:11.588 |
| 4 | 3 | 20.634 | 20/6:08.590 |
| 5 | 3 | 17.534 | 20/6:05.008 |
| 6 | 3 | 17.208 | 20/6:01.533 |
| 7 | 2 | 17.361 | 21/6:17.463 |
| 8 | 2 | 17.210 | 21/6:15.456 |
| 9 | 4 | 20.646 | 20/6:03.727 |
| 10 | 4 | 18.382 | 20/6:04.118 |
| 11 | 3 | 17.162 | 20/6:02.220 |
| 12 | 3 | 18.230 | 20/6:02.418 |
| 13 | 3 | 22.313 | 20/6:08.868 |
| 14 | 3 | 17.903 | 20/6:08.096 |
| 15 | 3 | 17.652 | 20/6:07.092 |
| 16 | 4 | 21.911 | 20/6:11.537 |
| 17 | 4 | 18.301 | 20/6:11.213 |
| 18 | 4 | 17.279 | 20/6:09.789 |
| 19 | 4 | 17.380 | 20/6:08.621 |
| 20 | 4 | 21.690 | 20/6:11.880 |