| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.359 | 21/7:07.539 |
| 2 | 1 | 22.509 | 20/7:08.680 |
| 3 | 1 | 16.898 | 22/7:18.284 |
| 4 | 1 | 20.516 | 21/7:01.481 |
| 5 | 1 | 22.901 | 21/7:13.369 |
| 6 | 1 | 20.940 | 21/7:14.430 |
| 7 | 1 | 25.023 | 20/7:06.131 |
| 8 | 1 | 24.493 | 20/7:14.098 |
| 9 | 1 | 22.633 | 20/7:16.160 |
| 10 | 1 | 25.709 | 19/7:01.764 |
| 11 | 1 | 20.874 | 20/7:21.555 |
| 12 | 1 | 22.745 | 19/7:00.533 |
| 13 | 1 | 22.231 | 19/7:00.676 |
| 14 | 1 | 19.982 | 20/7:19.733 |
| 15 | 1 | 22.167 | 20/7:19.973 |
| 16 | 1 | 22.183 | 20/7:20.204 |
| 17 | 1 | 22.961 | 20/7:21.322 |
| 18 | 1 | 29.297 | 19/7:06.889 |
| 19 | 1 | 25.719 | 19/7:10.140 |