| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.356 | 21/7:07.476 |
| 2 | 5 | 24.860 | 19/7:09.552 |
| 3 | 5 | 22.772 | 19/7:10.591 |
| 4 | 5 | 20.256 | 20/7:21.220 |
| 5 | 5 | 20.782 | 20/7:16.104 |
| 6 | 4 | 21.433 | 20/7:14.863 |
| 7 | 5 | 21.686 | 20/7:14.700 |
| 8 | 5 | 21.700 | 20/7:14.613 |
| 9 | 5 | 21.412 | 20/7:13.904 |
| 10 | 4 | 21.076 | 20/7:12.666 |
| 11 | 4 | 21.959 | 20/7:13.258 |
| 12 | 4 | 21.988 | 20/7:13.800 |
| 13 | 4 | 21.828 | 20/7:14.012 |
| 14 | 4 | 23.016 | 20/7:15.891 |
| 15 | 4 | 21.760 | 20/7:15.845 |
| 16 | 4 | 21.652 | 20/7:15.670 |
| 17 | 4 | 21.977 | 20/7:15.898 |
| 18 | 4 | 25.071 | 20/7:19.538 |
| 19 | 5 | 23.090 | 20/7:20.709 |
| 20 | 5 | 21.886 | 20/7:20.560 |