| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 23.092 | N/A |
| 2 | 1 | 21.650 | 20/7:14.442 |
| 3 | 2 | 22.681 | 19/7:02.071 |
| 4 | 1 | 21.822 | 19/7:00.001 |
| 5 | 2 | 24.725 | 19/7:12.043 |
| 6 | 2 | 22.057 | 19/7:09.658 |
| 7 | 2 | 22.387 | 19/7:09.058 |
| 8 | 2 | 22.194 | 19/7:08.133 |
| 9 | 2 | 21.316 | 19/7:05.464 |
| 10 | 2 | 21.805 | 19/7:04.366 |
| 11 | 2 | 21.675 | 19/7:03.253 |
| 12 | 2 | 21.491 | 19/7:02.042 |
| 13 | 2 | 21.872 | 19/7:01.604 |
| 14 | 3 | 25.763 | 19/7:06.621 |
| 15 | 3 | 23.671 | 19/7:08.232 |
| 16 | 2 | 21.469 | 19/7:06.985 |
| 17 | 2 | 21.742 | 19/7:06.202 |
| 18 | 4 | 27.294 | 19/7:11.389 |
| 19 | 4 | 21.631 | 19/7:10.337 |