| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.550 | 18/6:09.900 |
| 2 | 3 | 24.070 | 17/6:19.270 |
| 3 | 3 | 20.396 | 17/6:08.424 |
| 4 | 3 | 20.206 | 17/6:02.194 |
| 5 | 2 | 19.919 | 18/6:18.508 |
| 6 | 2 | 20.048 | 18/6:15.567 |
| 7 | 2 | 19.561 | 18/6:12.214 |
| 8 | 3 | 23.274 | 18/6:18.054 |
| 9 | 3 | 20.230 | 18/6:16.508 |
| 10 | 3 | 19.614 | 18/6:14.162 |
| 11 | 3 | 21.352 | 18/6:15.087 |
| 12 | 3 | 20.693 | 18/6:14.870 |
| 13 | 3 | 20.126 | 18/6:13.900 |
| 14 | 2 | 20.746 | 18/6:13.866 |
| 15 | 2 | 19.545 | 18/6:12.396 |
| 16 | 2 | 20.110 | 18/6:11.745 |
| 17 | 1 | 20.539 | 18/6:11.625 |
| 18 | 1 | 20.239 | 18/6:11.218 |