| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 20.381 | 18/6:06.858 |
| 2 | 4 | 21.605 | 18/6:17.874 |
| 3 | 4 | 19.992 | 18/6:11.868 |
| 4 | 3 | 19.403 | 18/6:06.214 |
| 5 | 2 | 20.178 | 18/6:05.612 |
| 6 | 2 | 20.078 | 18/6:04.911 |
| 7 | 2 | 20.499 | 18/6:05.493 |
| 8 | 3 | 26.816 | 18/6:20.142 |
| 9 | 3 | 20.991 | 18/6:19.886 |
| 10 | 3 | 20.657 | 18/6:19.080 |
| 11 | 2 | 20.110 | 18/6:17.525 |
| 12 | 2 | 19.966 | 18/6:16.014 |
| 13 | 2 | 20.320 | 18/6:15.225 |
| 14 | 2 | 20.535 | 18/6:14.826 |
| 15 | 2 | 19.993 | 18/6:13.829 |
| 16 | 2 | 19.661 | 18/6:12.583 |
| 17 | 2 | 20.916 | 18/6:12.813 |
| 18 | 2 | 20.096 | 18/6:12.197 |