| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.220 | 18/6:03.960 |
| 2 | 1 | 20.397 | 18/6:05.553 |
| 3 | 2 | 23.970 | 17/6:05.993 |
| 4 | 1 | 20.189 | 17/6:00.298 |
| 5 | 2 | 20.431 | 18/6:18.745 |
| 6 | 2 | 21.598 | 18/6:20.415 |
| 7 | 2 | 19.334 | 18/6:15.786 |
| 8 | 2 | 19.724 | 18/6:13.192 |
| 9 | 2 | 19.389 | 18/6:10.504 |
| 10 | 2 | 21.429 | 18/6:12.026 |
| 11 | 2 | 21.051 | 18/6:12.652 |
| 12 | 2 | 21.794 | 18/6:14.289 |
| 13 | 2 | 20.942 | 18/6:14.494 |
| 14 | 2 | 21.378 | 18/6:15.231 |
| 15 | 2 | 21.892 | 18/6:16.486 |
| 16 | 2 | 20.096 | 18/6:15.563 |
| 17 | 2 | 19.613 | 18/6:14.238 |
| 18 | 2 | 20.036 | 18/6:13.483 |