| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.519 | 18/6:09.342 |
| 2 | 3 | 19.398 | 19/6:19.212 |
| 3 | 2 | 18.844 | 19/6:12.153 |
| 4 | 2 | 18.465 | 19/6:06.823 |
| 5 | 3 | 17.495 | 20/6:18.884 |
| 6 | 3 | 19.006 | 19/6:00.135 |
| 7 | 3 | 18.260 | 20/6:17.106 |
| 8 | 3 | 20.413 | 19/6:01.950 |
| 9 | 3 | 18.033 | 20/6:18.740 |
| 10 | 5 | 20.635 | 19/6:03.029 |
| 11 | 3 | 19.371 | 19/6:03.486 |
| 12 | 3 | 17.944 | 19/6:01.606 |
| 13 | 3 | 18.214 | 19/6:00.411 |
| 14 | 3 | 18.369 | 20/6:18.523 |
| 15 | 3 | 18.695 | 20/6:18.215 |
| 16 | 3 | 17.691 | 20/6:16.690 |
| 17 | 3 | 18.577 | 20/6:16.387 |
| 18 | 3 | 18.506 | 20/6:16.039 |
| 19 | 3 | 18.945 | 20/6:16.189 |
| 20 | 3 | 18.506 | 20/6:15.886 |