| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.943 | 19/5:02.917 |
| 2 | 1 | 16.397 | 19/5:07.230 |
| 3 | 2 | 19.849 | 18/5:13.134 |
| 4 | 1 | 15.812 | 18/5:06.004 |
| 5 | 1 | 17.504 | 18/5:07.818 |
| 6 | 1 | 15.948 | 18/5:04.359 |
| 7 | 1 | 18.593 | 18/5:08.690 |
| 8 | 1 | 16.068 | 18/5:06.257 |
| 9 | 1 | 16.771 | 18/5:05.770 |
| 10 | 2 | 19.469 | 18/5:10.237 |
| 11 | 2 | 16.290 | 18/5:08.690 |
| 12 | 2 | 17.743 | 18/5:09.580 |
| 13 | 2 | 16.159 | 18/5:08.141 |
| 14 | 2 | 16.299 | 18/5:07.086 |
| 15 | 2 | 19.483 | 18/5:09.994 |
| 16 | 2 | 16.160 | 18/5:08.799 |
| 17 | 2 | 19.382 | 18/5:11.156 |
| 18 | 2 | 23.869 | 18/5:17.739 |