| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.424 | 18/6:07.632 |
| 2 | 1 | 20.349 | 18/6:06.957 |
| 3 | 1 | 21.276 | 18/6:12.294 |
| 4 | 1 | 20.687 | 18/6:12.312 |
| 5 | 1 | 20.962 | 18/6:13.313 |
| 6 | 1 | 20.006 | 18/6:11.112 |
| 7 | 1 | 20.638 | 18/6:11.165 |
| 8 | 1 | 19.964 | 18/6:09.688 |
| 9 | 1 | 20.715 | 18/6:10.042 |
| 10 | 1 | 19.779 | 18/6:08.640 |
| 11 | 1 | 19.715 | 18/6:07.388 |
| 12 | 1 | 22.516 | 18/6:10.546 |
| 13 | 1 | 21.066 | 18/6:11.211 |
| 14 | 1 | 20.324 | 18/6:10.827 |
| 15 | 1 | 21.149 | 18/6:11.484 |
| 16 | 1 | 20.090 | 18/6:10.867 |
| 17 | 2 | 23.530 | 18/6:13.966 |
| 18 | 3 | 20.623 | 18/6:13.813 |