| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.730 | 21/6:12.330 |
| 2 | 1 | 17.788 | 21/6:12.939 |
| 3 | 2 | 18.237 | 21/6:16.285 |
| 4 | 1 | 17.596 | 21/6:14.593 |
| 5 | 1 | 18.223 | 21/6:16.211 |
| 6 | 2 | 18.723 | 20/6:00.990 |
| 7 | 1 | 17.962 | 20/6:00.740 |
| 8 | 1 | 17.939 | 20/6:00.495 |
| 9 | 1 | 17.786 | 21/6:17.963 |
| 10 | 1 | 18.163 | 20/6:00.294 |
| 11 | 1 | 17.881 | 20/6:00.051 |
| 12 | 1 | 17.710 | 21/6:17.542 |
| 13 | 1 | 18.389 | 20/6:00.195 |
| 14 | 1 | 17.740 | 21/6:17.801 |
| 15 | 1 | 17.654 | 21/6:17.329 |
| 16 | 1 | 18.127 | 21/6:17.538 |
| 17 | 1 | 17.913 | 21/6:17.458 |
| 18 | 1 | 17.609 | 21/6:17.032 |
| 19 | 1 | 18.218 | 21/6:17.324 |
| 20 | 1 | 18.527 | 21/6:17.911 |
| 21 | 1 | 24.017 | 21/6:23.932 |