| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 22.287 | 19/7:03.453 |
| 2 | 4 | 22.111 | 19/7:01.781 |
| 3 | 4 | 36.015 | 16/7:08.869 |
| 4 | 4 | 20.784 | 17/7:10.087 |
| 5 | 4 | 19.655 | 18/7:15.067 |
| 6 | 4 | 22.084 | 18/7:08.808 |
| 7 | 4 | 18.619 | 19/7:18.506 |
| 8 | 4 | 21.753 | 19/7:15.356 |
| 9 | 4 | 17.807 | 19/7:04.576 |
| 10 | 4 | 22.975 | 19/7:05.771 |
| 11 | 4 | 28.858 | 19/7:16.910 |
| 12 | 4 | 19.728 | 19/7:11.737 |
| 13 | 4 | 20.632 | 19/7:08.681 |
| 14 | 4 | 18.258 | 19/7:02.840 |
| 15 | 4 | 19.817 | 20/7:21.844 |
| 16 | 4 | 22.002 | 20/7:21.731 |
| 17 | 4 | 25.011 | 19/7:02.913 |
| 18 | 4 | 17.565 | 20/7:19.957 |
| 19 | 4 | 27.462 | 19/7:03.423 |