| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.595 | 21/6:09.495 |
| 2 | 1 | 17.768 | 21/6:11.312 |
| 3 | 1 | 18.001 | 21/6:13.548 |
| 4 | 2 | 18.139 | 21/6:15.391 |
| 5 | 2 | 17.591 | 21/6:14.195 |
| 6 | 2 | 18.251 | 21/6:15.707 |
| 7 | 2 | 19.510 | 20/6:02.443 |
| 8 | 2 | 18.074 | 20/6:02.322 |
| 9 | 2 | 17.599 | 20/6:01.173 |
| 10 | 2 | 17.610 | 20/6:00.276 |
| 11 | 2 | 17.704 | 21/6:17.698 |
| 12 | 2 | 18.659 | 20/6:00.835 |
| 13 | 2 | 18.061 | 20/6:00.865 |
| 14 | 2 | 18.309 | 20/6:01.244 |
| 15 | 2 | 19.533 | 20/6:03.205 |
| 16 | 2 | 17.753 | 20/6:02.696 |
| 17 | 2 | 17.443 | 20/6:01.882 |
| 18 | 2 | 17.809 | 20/6:01.566 |
| 19 | 2 | 17.980 | 20/6:01.462 |
| 20 | 3 | 23.23 | 20/6:06.389 |