| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 21.009 | 18/6:18.162 |
| 2 | 1 | 20.192 | 18/6:10.809 |
| 3 | 1 | 20.538 | 18/6:10.434 |
| 4 | 1 | 20.297 | 18/6:09.162 |
| 5 | 1 | 20.387 | 18/6:08.723 |
| 6 | 1 | 20.322 | 18/6:08.235 |
| 7 | 1 | 20.435 | 18/6:08.177 |
| 8 | 1 | 20.633 | 18/6:08.579 |
| 9 | 1 | 20.282 | 18/6:08.190 |
| 10 | 1 | 20.892 | 18/6:08.977 |
| 11 | 1 | 20.375 | 18/6:08.774 |
| 12 | 1 | 21.227 | 18/6:09.884 |
| 13 | 2 | 21.490 | 18/6:11.186 |
| 14 | 2 | 20.747 | 18/6:11.348 |
| 15 | 2 | 21.389 | 18/6:12.258 |
| 16 | 2 | 21.547 | 18/6:13.232 |
| 17 | 2 | 22.436 | 18/6:15.033 |
| 18 | 2 | 23.485 | 18/6:17.683 |