| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.304 | 21/7:06.384 |
| 2 | 4 | 23.468 | 20/7:17.720 |
| 3 | 4 | 22.143 | 20/7:19.433 |
| 4 | 3 | 19.576 | 20/7:07.455 |
| 5 | 3 | 23.162 | 20/7:14.612 |
| 6 | 3 | 20.023 | 20/7:08.920 |
| 7 | 3 | 21.669 | 20/7:09.557 |
| 8 | 3 | 19.292 | 20/7:04.092 |
| 9 | 4 | 25.892 | 20/7:14.509 |
| 10 | 3 | 19.049 | 20/7:09.156 |
| 11 | 3 | 19.641 | 20/7:05.853 |
| 12 | 3 | 20.314 | 20/7:04.222 |
| 13 | 3 | 21.504 | 20/7:04.672 |
| 14 | 3 | 20.496 | 20/7:03.619 |
| 15 | 3 | 19.768 | 20/7:01.735 |
| 16 | 3 | 19.845 | 20/7:00.182 |
| 17 | 3 | 25.867 | 20/7:05.898 |
| 18 | 3 | 20.048 | 20/7:04.512 |
| 19 | 3 | 18.543 | 20/7:01.688 |
| 20 | 3 | 20.205 | 20/7:00.809 |