| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.671 | 21/6:11.091 |
| 2 | 2 | 17.252 | 21/6:06.692 |
| 3 | 2 | 17.168 | 21/6:04.637 |
| 4 | 2 | 17.174 | 21/6:03.641 |
| 5 | 1 | 17.086 | 21/6:02.674 |
| 6 | 1 | 17.296 | 21/6:02.764 |
| 7 | 2 | 17.309 | 21/6:02.868 |
| 8 | 2 | 17.669 | 21/6:03.891 |
| 9 | 2 | 17.258 | 21/6:03.727 |
| 10 | 1 | 17.760 | 21/6:04.650 |
| 11 | 1 | 17.294 | 21/6:04.516 |
| 12 | 2 | 23.367 | 21/6:15.032 |
| 13 | 2 | 17.405 | 21/6:14.299 |
| 14 | 2 | 17.569 | 21/6:13.917 |
| 15 | 3 | 23.003 | 20/6:03.041 |
| 16 | 3 | 17.515 | 20/6:02.245 |
| 17 | 3 | 17.413 | 20/6:01.422 |
| 18 | 4 | 20.186 | 20/6:03.772 |
| 19 | 4 | 18.361 | 20/6:03.954 |
| 20 | 4 | 17.797 | 20/6:03.553 |