| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.650 | 20/7:13.000 |
| 2 | 2 | 20.460 | 20/7:01.100 |
| 3 | 2 | 20.709 | 21/7:19.733 |
| 4 | 1 | 21.119 | 21/7:20.675 |
| 5 | 1 | 20.732 | 21/7:19.614 |
| 6 | 1 | 20.639 | 21/7:18.582 |
| 7 | 1 | 21.128 | 21/7:19.311 |
| 8 | 2 | 20.622 | 21/7:18.530 |
| 9 | 2 | 25.076 | 20/7:06.967 |
| 10 | 2 | 20.617 | 20/7:05.504 |
| 11 | 2 | 22.627 | 20/7:07.962 |
| 12 | 2 | 21.370 | 20/7:07.915 |
| 13 | 2 | 21.703 | 20/7:08.388 |
| 14 | 2 | 22.980 | 20/7:10.617 |
| 15 | 2 | 22.993 | 20/7:12.567 |
| 16 | 2 | 23.584 | 20/7:15.011 |
| 17 | 2 | 21.056 | 20/7:14.194 |
| 18 | 2 | 21.253 | 20/7:13.687 |
| 19 | 2 | 21.529 | 20/7:13.523 |
| 20 | 2 | 24.739 | 20/7:16.586 |