| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.186 | 21/7:03.906 |
| 2 | 1 | 20.458 | 21/7:06.762 |
| 3 | 1 | 18.812 | 22/7:16.011 |
| 4 | 1 | 20.717 | 21/7:00.908 |
| 5 | 1 | 18.017 | 22/7:12.036 |
| 6 | 1 | 19.419 | 22/7:11.233 |
| 7 | 1 | 18.534 | 22/7:07.878 |
| 8 | 1 | 19.994 | 22/7:09.377 |
| 9 | 1 | 18.100 | 22/7:05.913 |
| 10 | 1 | 18.530 | 22/7:04.087 |
| 11 | 1 | 21.131 | 22/7:07.796 |
| 12 | 1 | 22.894 | 22/7:14.119 |
| 13 | 1 | 20.440 | 22/7:15.316 |
| 14 | 1 | 17.719 | 22/7:12.066 |
| 15 | 1 | 22.777 | 22/7:16.668 |
| 16 | 1 | 23.277 | 21/7:01.319 |
| 17 | 1 | 19.399 | 21/7:00.499 |
| 18 | 1 | 16.861 | 22/7:16.657 |
| 19 | 1 | 22.033 | 22/7:19.187 |
| 20 | 1 | 25.689 | 21/7:05.236 |
| 21 | 1 | 22.949 | 21/7:07.936 |