| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 22.508 | 22/8:15.176 |
| 2 | 3 | 22.419 | 22/8:14.197 |
| 3 | 3 | 19.479 | 23/8:13.779 |
| 4 | 3 | 21.446 | 23/8:13.649 |
| 5 | 3 | 27.653 | 22/8:19.422 |
| 6 | 3 | 19.629 | 22/8:08.158 |
| 7 | 4 | 23.016 | 22/8:10.757 |
| 8 | 4 | 18.819 | 22/8:01.164 |
| 9 | 4 | 20.300 | 23/8:19.020 |
| 10 | 4 | 18.668 | 23/8:12.055 |
| 11 | 4 | 22.631 | 23/8:14.642 |
| 12 | 4 | 18.573 | 23/8:09.020 |
| 13 | 4 | 19.171 | 23/8:05.321 |
| 14 | 4 | 18.534 | 23/8:01.104 |
| 15 | 4 | 19.905 | 24/8:20.401 |
| 16 | 4 | 21.486 | 23/8:00.465 |
| 17 | 4 | 18.971 | 24/8:18.646 |
| 18 | 4 | 24.929 | 23/8:03.175 |