| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.607 | 19/6:12.533 |
| 2 | 1 | 20.396 | 18/6:00.027 |
| 3 | 1 | 19.711 | 19/6:18.189 |
| 4 | 1 | 19.418 | 19/6:15.877 |
| 5 | 2 | 23.905 | 18/6:10.933 |
| 6 | 2 | 19.770 | 18/6:08.421 |
| 7 | 2 | 19.822 | 18/6:06.760 |
| 8 | 2 | 20.136 | 18/6:06.221 |
| 9 | 2 | 24.589 | 18/6:14.708 |
| 10 | 2 | 20.675 | 18/6:14.452 |
| 11 | 2 | 19.292 | 18/6:11.980 |
| 12 | 1 | 23.466 | 18/6:16.181 |
| 13 | 1 | 19.914 | 18/6:14.817 |
| 14 | 1 | 22.202 | 18/6:16.590 |
| 15 | 1 | 19.168 | 18/6:14.485 |
| 16 | 1 | 19.907 | 18/6:13.475 |
| 17 | 1 | 20.402 | 18/6:13.108 |
| 18 | 1 | 20.676 | 18/6:13.056 |