| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.703 | 20/6:14.060 |
| 2 | 2 | 18.774 | 20/6:14.770 |
| 3 | 2 | 18.419 | 20/6:12.640 |
| 4 | 3 | 19.964 | 19/6:00.335 |
| 5 | 3 | 18.373 | 20/6:16.932 |
| 6 | 3 | 21.513 | 19/6:06.529 |
| 7 | 3 | 18.385 | 19/6:04.070 |
| 8 | 3 | 18.318 | 19/6:02.066 |
| 9 | 4 | 18.781 | 19/6:01.486 |
| 10 | 3 | 18.863 | 19/6:01.177 |
| 11 | 3 | 20.20 | 19/6:02.888 |
| 12 | 3 | 18.058 | 19/6:01.239 |
| 13 | 3 | 18.554 | 19/6:00.569 |
| 14 | 3 | 18.714 | 19/6:00.211 |
| 15 | 3 | 18.482 | 20/6:18.535 |
| 16 | 3 | 18.270 | 20/6:17.714 |
| 17 | 4 | 18.504 | 20/6:17.265 |
| 18 | 2 | 18.293 | 20/6:16.631 |
| 19 | 2 | 18.326 | 20/6:16.099 |
| 20 | 2 | 19.001 | 20/6:16.295 |