| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.435 | 21/6:06.135 |
| 2 | 2 | 18.446 | 21/6:16.750 |
| 3 | 2 | 18.355 | 20/6:01.573 |
| 4 | 2 | 19.511 | 20/6:08.735 |
| 5 | 2 | 18.097 | 20/6:07.376 |
| 6 | 3 | 17.826 | 20/6:05.567 |
| 7 | 3 | 18.049 | 20/6:04.911 |
| 8 | 3 | 18.857 | 20/6:06.440 |
| 9 | 3 | 17.043 | 20/6:03.598 |
| 10 | 3 | 16.561 | 20/6:00.360 |
| 11 | 2 | 16.287 | 21/6:15.073 |
| 12 | 3 | 19.931 | 20/6:00.663 |
| 13 | 2 | 16.605 | 21/6:16.389 |
| 14 | 2 | 16.668 | 21/6:14.507 |
| 15 | 3 | 18.854 | 21/6:15.935 |
| 16 | 3 | 18.160 | 21/6:16.274 |
| 17 | 3 | 16.676 | 21/6:14.740 |
| 18 | 3 | 17.054 | 21/6:13.817 |
| 19 | 3 | 22.321 | 20/6:00.775 |
| 20 | 3 | 17.332 | 20/6:00.068 |