| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.868 | 19/7:14.492 |
| 2 | 1 | 22.470 | 19/7:10.711 |
| 3 | 1 | 21.373 | 19/7:02.503 |
| 4 | 2 | 25.861 | 19/7:19.717 |
| 5 | 2 | 25.603 | 18/7:05.430 |
| 6 | 2 | 22.976 | 18/7:03.453 |
| 7 | 2 | 22.227 | 18/7:00.115 |
| 8 | 2 | 24.246 | 18/7:02.154 |
| 9 | 2 | 23.335 | 18/7:01.918 |
| 10 | 2 | 21.662 | 19/7:21.980 |
| 11 | 2 | 21.183 | 19/7:18.389 |
| 12 | 2 | 22.073 | 19/7:16.805 |
| 13 | 2 | 20.930 | 19/7:13.795 |
| 14 | 2 | 21.221 | 19/7:11.609 |
| 15 | 2 | 20.633 | 19/7:08.971 |
| 16 | 2 | 21.015 | 19/7:07.115 |
| 17 | 2 | 20.609 | 19/7:05.024 |
| 18 | 2 | 21.157 | 19/7:03.744 |
| 19 | 2 | 22.365 | 19/7:03.807 |