| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.879 | 21/7:18.459 |
| 2 | 3 | 19.927 | 21/7:08.463 |
| 3 | 3 | 20.678 | 21/7:10.388 |
| 4 | 2 | 20.408 | 21/7:09.933 |
| 5 | 2 | 19.450 | 21/7:05.636 |
| 6 | 2 | 20.229 | 21/7:05.498 |
| 7 | 3 | 28.572 | 20/7:08.980 |
| 8 | 3 | 20.821 | 20/7:07.410 |
| 9 | 3 | 19.976 | 20/7:04.311 |
| 10 | 3 | 21.780 | 20/7:05.440 |
| 11 | 2 | 20.229 | 20/7:03.544 |
| 12 | 2 | 20.198 | 20/7:01.912 |
| 13 | 2 | 19.844 | 21/7:20.985 |
| 14 | 2 | 20.110 | 21/7:19.652 |
| 15 | 2 | 19.658 | 21/7:17.863 |
| 16 | 2 | 19.848 | 21/7:16.547 |
| 17 | 2 | 20.285 | 21/7:15.925 |
| 18 | 2 | 19.556 | 21/7:14.523 |
| 19 | 2 | 20.100 | 21/7:13.869 |
| 20 | 2 | 20.598 | 21/7:13.803 |
| 21 | 2 | 20.033 | 21/7:13.179 |