| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.382 | 21/7:08.022 |
| 2 | 3 | 18.830 | 22/7:11.332 |
| 3 | 3 | 19.190 | 22/7:08.281 |
| 4 | 3 | 19.510 | 22/7:08.516 |
| 5 | 3 | 18.799 | 22/7:05.528 |
| 6 | 4 | 19.794 | 22/7:07.185 |
| 7 | 4 | 21.805 | 22/7:14.689 |
| 8 | 4 | 19.735 | 22/7:14.624 |
| 9 | 4 | 21.053 | 22/7:17.795 |
| 10 | 4 | 17.902 | 22/7:13.400 |
| 11 | 4 | 18.919 | 22/7:11.838 |
| 12 | 4 | 29.675 | 21/7:09.790 |
| 13 | 4 | 18.779 | 21/7:07.064 |
| 14 | 4 | 18.622 | 21/7:04.493 |
| 15 | 4 | 17.329 | 21/7:00.454 |
| 16 | 4 | 25.704 | 21/7:07.912 |
| 17 | 4 | 18.872 | 21/7:06.053 |
| 18 | 4 | 21.570 | 21/7:07.548 |
| 19 | 4 | 30.628 | 21/7:18.898 |
| 20 | 4 | 26.067 | 20/7:03.165 |