| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.269 | 18/6:04.842 |
| 2 | 4 | 21.993 | 18/6:20.358 |
| 3 | 4 | 21.597 | 17/6:01.868 |
| 4 | 2 | 19.826 | 18/6:16.582 |
| 5 | 2 | 20.951 | 18/6:16.690 |
| 6 | 2 | 20.689 | 18/6:15.975 |
| 7 | 2 | 20.226 | 18/6:14.274 |
| 8 | 2 | 20.872 | 18/6:14.452 |
| 9 | 3 | 25.628 | 17/6:02.763 |
| 10 | 3 | 20.901 | 17/6:02.018 |
| 11 | 3 | 20.418 | 17/6:00.663 |
| 12 | 3 | 20.379 | 18/6:20.623 |
| 13 | 4 | 20.502 | 18/6:19.732 |
| 14 | 4 | 20.991 | 18/6:19.597 |
| 15 | 4 | 20.088 | 18/6:18.396 |
| 16 | 4 | 20.085 | 18/6:17.342 |
| 17 | 4 | 21.420 | 18/6:17.825 |
| 18 | 4 | 20.327 | 18/6:17.162 |