| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.866 | 20/6:17.032 |
| 2 | 3 | 18.686 | 20/6:15.052 |
| 3 | 3 | 18.519 | 20/6:13.806 |
| 4 | 3 | 18.949 | 20/6:15.001 |
| 5 | 4 | 18.818 | 20/6:15.352 |
| 6 | 3 | 18.645 | 20/6:14.943 |
| 7 | 3 | 18.318 | 20/6:13.717 |
| 8 | 3 | 19.001 | 20/6:14.505 |
| 9 | 3 | 18.815 | 20/6:14.704 |
| 10 | 3 | 18.699 | 20/6:14.632 |
| 11 | 3 | 18.813 | 20/6:14.078 |
| 12 | 3 | 18.875 | 20/6:15.006 |
| 13 | 4 | 18.920 | 20/6:15.267 |
| 14 | 4 | 18.784 | 20/6:15.297 |
| 15 | 4 | 18.799 | 20/6:15.342 |
| 16 | 4 | 19.111 | 20/6:15.772 |
| 17 | 4 | 18.787 | 20/6:15.770 |
| 18 | 4 | 18.826 | 20/6:15.812 |
| 19 | 4 | 18.882 | 20/6:15.908 |
| 20 | 5 | 24.130 | 19/6:02.180 |