| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.684 | 26/8:05.784 |
| 2 | 1 | 18.816 | 26/8:07.500 |
| 3 | 1 | 18.816 | 26/8:08.072 |
| 4 | 2 | 20.566 | 25/8:00.513 |
| 5 | 2 | 23.277 | 24/8:00.763 |
| 6 | 2 | 19.477 | 25/8:18.483 |
| 7 | 2 | 19.368 | 25/8:16.443 |
| 8 | 2 | 21.224 | 24/8:00.684 |
| 9 | 2 | 17.789 | 25/8:14.492 |
| 10 | 2 | 18.313 | 25/8:10.825 |
| 11 | 2 | 21.155 | 25/8:14.284 |
| 12 | 2 | 19.234 | 25/8:13.165 |
| 13 | 2 | 18.740 | 25/8:11.267 |
| 14 | 2 | 19.887 | 25/8:11.689 |
| 15 | 2 | 22.623 | 25/8:16.615 |
| 16 | 2 | 20.813 | 25/8:18.097 |
| 17 | 2 | 21.730 | 24/8:00.723 |
| 18 | 2 | 18.945 | 25/8:19.246 |
| 19 | 2 | 19.590 | 25/8:18.746 |
| 20 | 2 | 18.940 | 25/8:17.484 |
| 21 | 2 | 19.693 | 25/8:17.238 |
| 22 | 2 | 18.774 | 25/8:15.970 |
| 23 | 2 | 21.208 | 25/8:17.459 |
| 24 | 2 | 19.186 | 25/8:16.717 |
| 25 | 2 | 18.932 | 25/8:15.780 |