| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.434 | 21/7:09.114 |
| 2 | 2 | 19.835 | 21/7:02.825 |
| 3 | 2 | 23.629 | 20/7:05.987 |
| 4 | 2 | 19.134 | 21/7:15.918 |
| 5 | 3 | 21.303 | 21/7:18.207 |
| 6 | 3 | 19.857 | 21/7:14.672 |
| 7 | 3 | 19.866 | 21/7:12.174 |
| 8 | 3 | 19.225 | 21/7:08.618 |
| 9 | 4 | 26.225 | 20/7:01.129 |
| 10 | 5 | 22.980 | 20/7:04.976 |
| 11 | 6 | 27.616 | 20/7:16.553 |
| 12 | 6 | 20.882 | 20/7:14.977 |
| 13 | 6 | 23.611 | 20/7:17.842 |
| 14 | 6 | 22.580 | 20/7:18.824 |
| 15 | 6 | 25.904 | 19/7:01.903 |
| 16 | 6 | 23.165 | 19/7:03.042 |
| 17 | 6 | 19.842 | 19/7:00.334 |
| 18 | 6 | 19.953 | 20/7:20.046 |
| 19 | 6 | 21.739 | 20/7:19.768 |
| 20 | 6 | 20.286 | 20/7:18.066 |