| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.412 | 20/6:08.240 |
| 2 | 3 | 19.941 | 19/6:04.353 |
| 3 | 2 | 18.449 | 20/6:18.680 |
| 4 | 2 | 18.766 | 20/6:17.840 |
| 5 | 2 | 18.920 | 20/6:17.952 |
| 6 | 3 | 18.305 | 20/6:15.977 |
| 7 | 3 | 25.868 | 19/6:16.366 |
| 8 | 3 | 19.287 | 19/6:15.126 |
| 9 | 4 | 26.727 | 18/6:09.350 |
| 10 | 4 | 18.748 | 18/6:06.161 |
| 11 | 4 | 18.735 | 18/6:03.531 |
| 12 | 4 | 18.944 | 18/6:01.653 |
| 13 | 4 | 19.311 | 18/6:00.572 |
| 14 | 4 | 19.968 | 18/6:00.490 |
| 15 | 4 | 18.978 | 19/6:19.188 |
| 16 | 4 | 18.978 | 19/6:18.025 |
| 17 | 4 | 19.201 | 19/6:17.248 |
| 18 | 4 | 20.263 | 19/6:17.679 |
| 19 | 4 | 19.524 | 19/6:17.325 |