| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.127 | 19/6:03.413 |
| 2 | 1 | 18.790 | 19/6:00.212 |
| 3 | 1 | 18.883 | 20/6:18.667 |
| 4 | 2 | 21.272 | 19/6:10.842 |
| 5 | 2 | 18.821 | 19/6:08.193 |
| 6 | 2 | 21.194 | 19/6:13.942 |
| 7 | 2 | 18.718 | 19/6:11.328 |
| 8 | 2 | 18.513 | 19/6:08.880 |
| 9 | 1 | 19.115 | 19/6:08.247 |
| 10 | 1 | 18.617 | 19/6:06.795 |
| 11 | 1 | 18.851 | 19/6:06.011 |
| 12 | 1 | 19.134 | 19/6:05.805 |
| 13 | 1 | 18.653 | 19/6:04.929 |
| 14 | 1 | 18.499 | 19/6:03.968 |
| 15 | 1 | 18.358 | 19/6:02.957 |
| 16 | 1 | 18.991 | 19/6:02.824 |
| 17 | 1 | 18.647 | 19/6:02.322 |
| 18 | 1 | 18.581 | 19/6:01.806 |
| 19 | 1 | 18.570 | 19/6:01.334 |