| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.295 | 20/6:05.900 |
| 2 | 2 | 17.597 | 21/6:16.866 |
| 3 | 2 | 17.766 | 21/6:15.606 |
| 4 | 3 | 19.222 | 20/6:04.400 |
| 5 | 3 | 17.814 | 20/6:02.776 |
| 6 | 4 | 18.900 | 20/6:05.313 |
| 7 | 3 | 18.366 | 20/6:05.600 |
| 8 | 3 | 17.866 | 20/6:04.565 |
| 9 | 2 | 18.318 | 20/6:04.764 |
| 10 | 2 | 17.699 | 20/6:03.686 |
| 11 | 2 | 18.291 | 20/6:03.880 |
| 12 | 2 | 21.513 | 20/6:09.412 |
| 13 | 2 | 17.901 | 20/6:08.535 |
| 14 | 3 | 19.602 | 20/6:10.214 |
| 15 | 4 | 18.140 | 20/6:09.720 |
| 16 | 1 | 18.252 | 20/6:09.428 |
| 17 | 1 | 18.607 | 20/6:09.587 |
| 18 | 1 | 19.294 | 20/6:10.492 |
| 19 | 1 | 18.184 | 20/6:10.134 |
| 20 | 2 | 19.530 | 20/6:11.157 |