| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.849 | 20/7:16.980 |
| 2 | 4 | 22.883 | 19/7:04.954 |
| 3 | 3 | 23.114 | 19/7:09.691 |
| 4 | 3 | 19.740 | 20/7:17.930 |
| 5 | 3 | 19.879 | 20/7:09.860 |
| 6 | 3 | 18.848 | 20/7:01.043 |
| 7 | 3 | 22.508 | 20/7:05.203 |
| 8 | 3 | 23.494 | 20/7:10.788 |
| 9 | 3 | 19.111 | 20/7:05.391 |
| 10 | 3 | 18.751 | 20/7:00.354 |
| 11 | 2 | 18.719 | 21/7:16.983 |
| 12 | 2 | 24.939 | 20/7:03.058 |
| 13 | 2 | 18.038 | 21/7:19.179 |
| 14 | 2 | 20.551 | 21/7:18.636 |
| 15 | 2 | 18.054 | 21/7:14.669 |
| 16 | 2 | 24.419 | 21/7:19.552 |
| 17 | 2 | 22.721 | 20/7:00.727 |
| 18 | 2 | 22.668 | 20/7:02.540 |
| 19 | 2 | 18.808 | 20/7:00.099 |
| 20 | 2 | 24.964 | 20/7:04.058 |