| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 20.219 | 18/6:03.942 |
| 2 | 3 | 19.449 | 19/6:16.846 |
| 3 | 3 | 20.287 | 19/6:19.715 |
| 4 | 4 | 21.896 | 18/6:08.329 |
| 5 | 5 | 20.575 | 18/6:08.734 |
| 6 | 4 | 20.079 | 18/6:07.515 |
| 7 | 5 | 20.102 | 18/6:06.704 |
| 8 | 5 | 23.147 | 18/6:12.946 |
| 9 | 5 | 20.678 | 18/6:12.864 |
| 10 | 5 | 19.400 | 18/6:10.498 |
| 11 | 6 | 19.679 | 18/6:09.018 |
| 12 | 5 | 19.911 | 18/6:08.133 |
| 13 | 5 | 22.018 | 18/6:10.302 |
| 14 | 4 | 20.419 | 18/6:10.104 |
| 15 | 5 | 20.547 | 18/6:10.087 |
| 16 | 6 | 19.644 | 18/6:09.056 |
| 17 | 4 | 20.115 | 18/6:08.645 |
| 18 | 4 | 21.420 | 18/6:09.585 |