| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 18.601 | 20/6:12.020 |
| 2 | 4 | 19.015 | 20/6:16.160 |
| 3 | 3 | 17.918 | 20/6:10.227 |
| 4 | 3 | 17.528 | 20/6:05.310 |
| 5 | 3 | 18.425 | 20/6:05.948 |
| 6 | 3 | 18.932 | 20/6:08.063 |
| 7 | 3 | 18.443 | 20/6:08.177 |
| 8 | 3 | 18.419 | 20/6:08.202 |
| 9 | 3 | 18.173 | 20/6:07.676 |
| 10 | 3 | 18.304 | 20/6:07.516 |
| 11 | 3 | 18.990 | 20/6:08.633 |
| 12 | 3 | 18.654 | 20/6:09.003 |
| 13 | 3 | 19.060 | 20/6:09.942 |
| 14 | 3 | 18.041 | 20/6:09.290 |
| 15 | 3 | 19.263 | 20/6:10.355 |
| 16 | 4 | 18.379 | 20/6:10.181 |
| 17 | 3 | 19.290 | 20/6:11.100 |
| 18 | 1 | 17.965 | 20/6:10.444 |
| 19 | 1 | 18.605 | 20/6:10.532 |
| 20 | 2 | 19.016 | 20/6:11.021 |