| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.869 | 18/6:15.642 |
| 2 | 3 | 21.088 | 18/6:17.613 |
| 3 | 3 | 20.027 | 18/6:11.904 |
| 4 | 3 | 19.950 | 18/6:08.703 |
| 5 | 2 | 19.268 | 18/6:04.327 |
| 6 | 2 | 19.537 | 18/6:02.217 |
| 7 | 2 | 19.277 | 18/6:00.041 |
| 8 | 2 | 19.307 | 19/6:18.392 |
| 9 | 2 | 19.647 | 19/6:17.826 |
| 10 | 2 | 22.036 | 18/6:01.811 |
| 11 | 2 | 21.118 | 18/6:03.476 |
| 12 | 2 | 21.828 | 18/6:05.928 |
| 13 | 2 | 20.037 | 18/6:05.523 |
| 14 | 2 | 20.106 | 18/6:05.265 |
| 15 | 2 | 19.947 | 18/6:04.850 |
| 16 | 2 | 19.911 | 18/6:04.447 |
| 17 | 2 | 21.412 | 18/6:05.681 |
| 18 | 2 | 21.588 | 18/6:06.953 |