| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 21.230 | 17/6:00.910 |
| 2 | 2 | 20.762 | 18/6:17.928 |
| 3 | 2 | 20.224 | 18/6:13.296 |
| 4 | 1 | 20.059 | 18/6:10.238 |
| 5 | 1 | 22.087 | 18/6:15.703 |
| 6 | 1 | 20.309 | 18/6:14.013 |
| 7 | 2 | 21.971 | 18/6:17.079 |
| 8 | 2 | 20.742 | 18/6:16.614 |
| 9 | 2 | 19.787 | 18/6:14.342 |
| 10 | 1 | 19.995 | 18/6:12.899 |
| 11 | 2 | 21.253 | 18/6:13.777 |
| 12 | 2 | 21.869 | 18/6:15.432 |
| 13 | 3 | 22.314 | 18/6:17.449 |
| 14 | 2 | 21.303 | 18/6:17.878 |
| 15 | 2 | 20.818 | 18/6:17.668 |
| 16 | 2 | 20.528 | 18/6:17.157 |
| 17 | 2 | 21.363 | 18/6:17.591 |
| 18 | 2 | 20.846 | 18/6:17.460 |