| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 19.443 | N/A |
| 2 | 1 | 18.702 | 23/7:10.887 |
| 3 | 2 | 22.170 | 21/7:08.163 |
| 4 | 2 | 18.646 | 22/7:16.069 |
| 5 | 2 | 18.744 | 22/7:10.318 |
| 6 | 2 | 19.744 | 22/7:11.068 |
| 7 | 2 | 19.539 | 22/7:10.850 |
| 8 | 3 | 20.623 | 22/7:13.947 |
| 9 | 3 | 18.392 | 22/7:10.413 |
| 10 | 3 | 21.235 | 22/7:14.298 |
| 11 | 3 | 19.048 | 22/7:12.813 |
| 12 | 3 | 19.693 | 22/7:12.829 |
| 13 | 4 | 23.768 | 22/7:19.975 |
| 14 | 4 | 19.501 | 22/7:19.128 |
| 15 | 4 | 19.379 | 22/7:18.219 |
| 16 | 3 | 22.974 | 21/7:02.320 |
| 17 | 3 | 20.106 | 21/7:02.273 |
| 18 | 3 | 19.752 | 21/7:01.814 |
| 19 | 3 | 18.915 | 21/7:00.477 |
| 20 | 3 | 22.501 | 21/7:03.055 |
| 21 | 3 | 19.748 | 21/7:02.623 |