| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.714 | 21/6:11.994 |
| 2 | 4 | 17.704 | 21/6:11.889 |
| 3 | 4 | 17.595 | 21/6:11.091 |
| 4 | 4 | 18.210 | 21/6:13.921 |
| 5 | 4 | 18.153 | 21/6:15.379 |
| 6 | 4 | 17.841 | 21/6:15.260 |
| 7 | 4 | 18.001 | 21/6:15.654 |
| 8 | 3 | 17.620 | 21/6:14.950 |
| 9 | 3 | 17.636 | 21/6:14.439 |
| 10 | 4 | 18.034 | 21/6:14.867 |
| 11 | 4 | 17.858 | 21/6:14.881 |
| 12 | 4 | 17.560 | 21/6:14.370 |
| 13 | 4 | 17.913 | 21/6:14.509 |
| 14 | 4 | 18.478 | 21/6:15.476 |
| 15 | 4 | 17.792 | 21/6:15.353 |
| 16 | 4 | 17.741 | 21/6:15.178 |
| 17 | 4 | 18.075 | 21/6:15.437 |
| 18 | 4 | 17.822 | 21/6:15.372 |
| 19 | 4 | 17.772 | 21/6:15.258 |
| 20 | 4 | 18.060 | 21/6:15.458 |