| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.108 | N/A |
| 2 | 2 | 19.225 | 19/6:05.158 |
| 3 | 2 | 17.679 | 20/6:09.696 |
| 4 | 2 | 18.494 | 20/6:09.962 |
| 5 | 2 | 19.916 | 20/6:16.849 |
| 6 | 2 | 17.606 | 20/6:12.204 |
| 7 | 1 | 18.180 | 20/6:10.924 |
| 8 | 1 | 17.681 | 20/6:08.656 |
| 9 | 1 | 20.134 | 20/6:12.781 |
| 10 | 1 | 17.740 | 20/6:10.935 |
| 11 | 2 | 17.450 | 20/6:08.907 |
| 12 | 2 | 20.625 | 20/6:12.732 |
| 13 | 2 | 17.923 | 20/6:11.641 |
| 14 | 2 | 17.658 | 20/6:10.331 |
| 15 | 2 | 18.016 | 20/6:09.694 |
| 16 | 2 | 19.076 | 20/6:10.485 |
| 17 | 2 | 17.555 | 20/6:09.370 |
| 18 | 2 | 17.348 | 20/6:08.155 |
| 19 | 2 | 18.375 | 20/6:08.160 |
| 20 | 2 | 17.487 | 20/6:07.276 |