| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 17.884 | 21/6:15.564 |
| 2 | 3 | 17.869 | 21/6:15.406 |
| 3 | 4 | 18.157 | 21/6:17.370 |
| 4 | 3 | 17.487 | 21/6:14.834 |
| 5 | 3 | 17.585 | 21/6:13.724 |
| 6 | 3 | 17.661 | 21/6:13.250 |
| 7 | 3 | 17.600 | 21/6:12.729 |
| 8 | 3 | 17.782 | 21/6:12.816 |
| 9 | 3 | 17.387 | 21/6:11.961 |
| 10 | 3 | 17.702 | 21/6:11.939 |
| 11 | 4 | 17.891 | 21/6:12.282 |
| 12 | 3 | 17.350 | 21/6:11.621 |
| 13 | 4 | 17.897 | 21/6:11.946 |
| 14 | 4 | 17.844 | 21/6:12.144 |
| 15 | 4 | 17.749 | 21/6:12.183 |
| 16 | 4 | 17.770 | 21/6:12.245 |
| 17 | 4 | 17.817 | 21/6:12.357 |
| 18 | 4 | 19.062 | 21/6:13.910 |
| 19 | 4 | 18.057 | 21/6:14.188 |
| 20 | 4 | 17.769 | 21/6:14.136 |
| 21 | 4 | 17.619 | 21/6:13.939 |