| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 23.553 | 18/7:03.954 |
| 2 | 3 | 21.244 | 19/7:05.571 |
| 3 | 3 | 24.827 | 19/7:20.952 |
| 4 | 5 | 21.055 | 19/7:10.725 |
| 5 | 4 | 21.021 | 19/7:04.460 |
| 6 | 4 | 26.775 | 19/7:18.504 |
| 7 | 4 | 19.921 | 19/7:09.932 |
| 8 | 4 | 21.167 | 19/7:06.462 |
| 9 | 3 | 20.994 | 19/7:03.398 |
| 10 | 4 | 23.321 | 19/7:05.368 |
| 11 | 3 | 19.077 | 20/7:21.736 |
| 12 | 4 | 21.062 | 20/7:20.028 |
| 13 | 3 | 20.067 | 20/7:17.052 |
| 14 | 4 | 19.478 | 20/7:13.660 |
| 15 | 3 | 19.471 | 20/7:10.711 |
| 16 | 3 | 20.581 | 20/7:09.518 |
| 17 | 4 | 23.613 | 20/7:12.032 |
| 18 | 4 | 19.855 | 20/7:10.091 |
| 19 | 3 | 20.397 | 20/7:08.925 |
| 20 | 3 | 20.885 | 20/7:08.364 |