| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.796 | 19/6:16.124 |
| 2 | 4 | 23.384 | 17/6:07.030 |
| 3 | 3 | 19.109 | 18/6:13.734 |
| 4 | 3 | 19.452 | 18/6:07.834 |
| 5 | 3 | 20.458 | 18/6:07.916 |
| 6 | 4 | 21.768 | 18/6:11.901 |
| 7 | 4 | 19.924 | 18/6:10.005 |
| 8 | 3 | 19.822 | 18/6:08.354 |
| 9 | 3 | 18.748 | 18/6:04.922 |
| 10 | 3 | 20.088 | 18/6:04.588 |
| 11 | 3 | 20.412 | 18/6:04.845 |
| 12 | 4 | 22.748 | 18/6:08.563 |
| 13 | 3 | 19.727 | 18/6:07.527 |
| 14 | 4 | 24.296 | 18/6:12.513 |
| 15 | 4 | 19.455 | 18/6:11.024 |
| 16 | 4 | 19.790 | 18/6:10.099 |
| 17 | 4 | 20.546 | 18/6:10.083 |
| 18 | 4 | 18.496 | 18/6:08.019 |