| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.019 | 21/7:00.399 |
| 2 | 1 | 21.004 | 21/7:10.741 |
| 3 | 1 | 21.433 | 21/7:17.192 |
| 4 | 1 | 19.990 | 21/7:12.841 |
| 5 | 1 | 21.230 | 21/7:15.439 |
| 6 | 1 | 20.012 | 21/7:12.908 |
| 7 | 1 | 20.710 | 21/7:13.194 |
| 8 | 1 | 21.227 | 21/7:14.766 |
| 9 | 1 | 20.717 | 21/7:14.798 |
| 10 | 1 | 20.540 | 21/7:14.452 |
| 11 | 1 | 20.033 | 21/7:13.201 |
| 12 | 1 | 21.089 | 21/7:14.007 |
| 13 | 1 | 20.333 | 21/7:13.467 |
| 14 | 1 | 20.583 | 21/7:13.380 |
| 15 | 1 | 23.766 | 21/7:17.760 |
| 16 | 1 | 21.400 | 21/7:18.488 |
| 17 | 1 | 20.793 | 21/7:18.380 |
| 18 | 1 | 20.531 | 21/7:17.978 |
| 19 | 1 | 23.469 | 21/7:20.866 |
| 20 | 1 | 21.038 | 21/7:20.913 |