| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.389 | 18/6:07.002 |
| 2 | 3 | 22.009 | 17/6:00.383 |
| 3 | 3 | 23.966 | 17/6:16.063 |
| 4 | 2 | 19.689 | 17/6:05.725 |
| 5 | 2 | 20.422 | 17/6:02.015 |
| 6 | 2 | 18.797 | 18/6:15.816 |
| 7 | 2 | 20.999 | 18/6:16.125 |
| 8 | 2 | 19.962 | 18/6:14.024 |
| 9 | 2 | 19.659 | 18/6:11.784 |
| 10 | 2 | 20.611 | 18/6:11.705 |
| 11 | 2 | 20.784 | 18/6:11.924 |
| 12 | 2 | 20.365 | 18/6:11.478 |
| 13 | 2 | 20.489 | 18/6:11.272 |
| 14 | 2 | 19.446 | 18/6:09.755 |
| 15 | 2 | 20.537 | 18/6:09.749 |
| 16 | 2 | 20.947 | 18/6:10.205 |
| 17 | 2 | 19.501 | 18/6:09.076 |
| 18 | 2 | 23.742 | 18/6:12.314 |