| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.994 | 19/6:00.886 |
| 2 | 2 | 19.389 | 19/6:04.638 |
| 3 | 1 | 18.782 | 19/6:02.045 |
| 4 | 1 | 18.869 | 19/6:01.161 |
| 5 | 1 | 18.433 | 20/6:17.868 |
| 6 | 1 | 19.254 | 19/6:00.116 |
| 7 | 1 | 18.756 | 20/6:18.506 |
| 8 | 1 | 19.088 | 20/6:18.912 |
| 9 | 1 | 18.685 | 20/6:18.333 |
| 10 | 2 | 19.448 | 19/6:00.426 |
| 11 | 2 | 18.836 | 19/6:00.195 |
| 12 | 2 | 18.820 | 20/6:18.923 |
| 13 | 2 | 19.539 | 19/6:00.844 |
| 14 | 2 | 18.697 | 19/6:00.444 |
| 15 | 2 | 18.505 | 20/6:18.793 |
| 16 | 2 | 18.598 | 20/6:18.366 |
| 17 | 2 | 18.265 | 20/6:17.598 |
| 18 | 2 | 18.633 | 20/6:17.323 |
| 19 | 2 | 18.706 | 20/6:17.155 |
| 20 | 2 | 19.236 | 20/6:17.533 |