| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.669 | 21/6:11.049 |
| 2 | 3 | 17.842 | 21/6:12.865 |
| 3 | 2 | 17.636 | 21/6:12.029 |
| 4 | 2 | 18.772 | 21/6:17.575 |
| 5 | 2 | 17.618 | 21/6:16.055 |
| 6 | 5 | 22.454 | 20/6:13.303 |
| 7 | 5 | 19.391 | 20/6:15.377 |
| 8 | 5 | 17.980 | 20/6:13.405 |
| 9 | 3 | 17.17 | 20/6:09.693 |
| 10 | 2 | 17.393 | 20/6:07.510 |
| 11 | 2 | 18.332 | 20/6:07.431 |
| 12 | 2 | 17.035 | 20/6:05.203 |
| 13 | 2 | 19.196 | 20/6:06.643 |
| 14 | 2 | 17.134 | 20/6:04.931 |
| 15 | 2 | 17.233 | 20/6:03.580 |
| 16 | 2 | 17.607 | 20/6:02.865 |
| 17 | 2 | 18.084 | 20/6:02.795 |
| 18 | 3 | 23.898 | 20/6:09.193 |
| 19 | 4 | 17.994 | 20/6:08.703 |
| 20 | 3 | 17.798 | 20/6:08.066 |