| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.347 | 20/6:06.940 |
| 2 | 1 | 18.182 | 20/6:05.290 |
| 3 | 2 | 18.466 | 20/6:06.633 |
| 4 | 2 | 18.377 | 20/6:06.860 |
| 5 | 2 | 17.712 | 20/6:04.336 |
| 6 | 2 | 17.900 | 20/6:03.280 |
| 7 | 2 | 18.392 | 20/6:03.931 |
| 8 | 1 | 18.110 | 20/6:03.715 |
| 9 | 1 | 21.612 | 20/6:11.329 |
| 10 | 1 | 18.231 | 20/6:10.658 |
| 11 | 2 | 18.796 | 20/6:11.136 |
| 12 | 2 | 17.867 | 20/6:09.987 |
| 13 | 2 | 18.755 | 20/6:10.380 |
| 14 | 2 | 19.887 | 20/6:12.334 |
| 15 | 2 | 18.313 | 20/6:11.929 |
| 16 | 2 | 17.733 | 20/6:10.850 |
| 17 | 2 | 18.159 | 20/6:10.399 |
| 18 | 2 | 19.581 | 20/6:11.578 |
| 19 | 2 | 18.396 | 20/6:11.385 |
| 20 | 2 | 23.411 | 20/6:16.227 |