| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.198 | 19/6:04.762 |
| 2 | 3 | 18.680 | 20/6:18.780 |
| 3 | 4 | 18.717 | 20/6:17.300 |
| 4 | 4 | 19.728 | 19/6:02.534 |
| 5 | 4 | 18.728 | 19/6:01.194 |
| 6 | 4 | 19.646 | 19/6:03.207 |
| 7 | 4 | 20.996 | 19/6:08.310 |
| 8 | 4 | 19.160 | 19/6:07.776 |
| 9 | 4 | 20.378 | 19/6:09.932 |
| 10 | 4 | 19.519 | 19/6:10.025 |
| 11 | 4 | 19.335 | 19/6:09.783 |
| 12 | 4 | 18.842 | 19/6:08.801 |
| 13 | 4 | 18.882 | 19/6:08.029 |
| 14 | 4 | 19.722 | 19/6:08.506 |
| 15 | 4 | 24.755 | 19/6:15.296 |
| 16 | 4 | 18.706 | 19/6:14.053 |
| 17 | 4 | 19.547 | 19/6:13.897 |
| 18 | 4 | 22.886 | 19/6:17.282 |
| 19 | 4 | 19.925 | 19/6:17.350 |