| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 15.747 | 20/5:14.940 |
| 2 | 2 | 15.673 | 20/5:14.200 |
| 3 | 1 | 15.751 | 20/5:14.473 |
| 4 | 1 | 15.736 | 20/5:14.535 |
| 5 | 1 | 15.762 | 20/5:14.676 |
| 6 | 2 | 15.991 | 20/5:15.533 |
| 7 | 1 | 16.181 | 19/5:00.854 |
| 8 | 1 | 16.129 | 19/5:01.554 |
| 9 | 1 | 15.950 | 19/5:01.720 |
| 10 | 1 | 15.987 | 19/5:01.923 |
| 11 | 1 | 16.024 | 19/5:02.154 |
| 12 | 1 | 16.025 | 19/5:02.347 |
| 13 | 1 | 16.125 | 19/5:02.657 |
| 14 | 1 | 15.886 | 19/5:02.598 |
| 15 | 1 | 16.002 | 19/5:02.694 |
| 16 | 1 | 15.919 | 19/5:02.680 |
| 17 | 1 | 18.152 | 19/5:05.162 |
| 18 | 1 | 16.728 | 19/5:05.866 |
| 19 | 1 | 16.042 | 19/5:05.810 |