| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.364 | 20/6:07.280 |
| 2 | 2 | 18.354 | 20/6:07.180 |
| 3 | 1 | 19.162 | 20/6:12.533 |
| 4 | 2 | 18.608 | 20/6:12.440 |
| 5 | 2 | 19.807 | 20/6:17.180 |
| 6 | 2 | 18.779 | 20/6:16.913 |
| 7 | 1 | 18.057 | 20/6:14.660 |
| 8 | 2 | 21.922 | 19/6:03.501 |
| 9 | 2 | 16.932 | 20/6:17.744 |
| 10 | 2 | 17.307 | 20/6:14.584 |
| 11 | 2 | 17.640 | 20/6:12.604 |
| 12 | 1 | 18.523 | 20/6:12.425 |
| 13 | 2 | 27.644 | 19/6:06.991 |
| 14 | 2 | 18.123 | 19/6:05.373 |
| 15 | 2 | 17.987 | 19/6:03.798 |
| 16 | 2 | 19.188 | 19/6:03.846 |
| 17 | 2 | 18.076 | 19/6:02.646 |
| 18 | 2 | 17.533 | 19/6:01.006 |
| 19 | 2 | 17.780 | 20/6:18.722 |