| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.449 | N/A |
| 2 | 4 | 17.524 | 21/6:10.929 |
| 3 | 4 | 17.938 | 21/6:15.069 |
| 4 | 3 | 17.676 | 21/6:14.702 |
| 5 | 3 | 17.463 | 21/6:13.454 |
| 6 | 3 | 17.668 | 21/6:13.525 |
| 7 | 3 | 17.426 | 21/6:12.765 |
| 8 | 3 | 17.924 | 21/6:13.646 |
| 9 | 3 | 17.663 | 21/6:13.654 |
| 10 | 3 | 17.936 | 21/6:14.266 |
| 11 | 3 | 17.872 | 21/6:14.629 |
| 12 | 3 | 17.844 | 21/6:14.874 |
| 13 | 3 | 17.935 | 21/6:15.230 |
| 14 | 3 | 18.588 | 21/6:16.536 |
| 15 | 3 | 17.944 | 21/6:16.736 |
| 16 | 3 | 17.769 | 21/6:16.675 |
| 17 | 3 | 18.053 | 21/6:16.977 |
| 18 | 3 | 18.372 | 21/6:17.619 |
| 19 | 3 | 17.983 | 21/6:17.757 |
| 20 | 3 | 18.529 | 20/6:00.556 |