| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.085 | 20/6:01.700 |
| 2 | 1 | 18.454 | 20/6:05.390 |
| 3 | 2 | 18.496 | 20/6:06.900 |
| 4 | 1 | 17.406 | 20/6:02.205 |
| 5 | 1 | 18.670 | 20/6:04.444 |
| 6 | 2 | 18.929 | 20/6:06.800 |
| 7 | 3 | 19.108 | 20/6:08.994 |
| 8 | 2 | 20.180 | 20/6:13.320 |
| 9 | 2 | 19.812 | 20/6:15.867 |
| 10 | 2 | 17.319 | 20/6:12.918 |
| 11 | 2 | 18.548 | 20/6:12.740 |
| 12 | 2 | 17.937 | 20/6:11.573 |
| 13 | 2 | 19.081 | 20/6:12.346 |
| 14 | 3 | 21.911 | 20/6:17.051 |
| 15 | 3 | 20.964 | 19/6:00.873 |
| 16 | 3 | 17.269 | 20/6:17.711 |
| 17 | 3 | 17.362 | 20/6:15.919 |
| 18 | 3 | 17.699 | 20/6:14.700 |
| 19 | 3 | 22.755 | 20/6:18.932 |
| 20 | 3 | 25.414 | 20/6:25.399 |