Karen Chao has 2 recorded races from Walnut, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-02-22 | 33rd Annual Brea 8K Classic presented by Brea Mall 8K Run/Walk | 1:23:26 | 1612 | |
| 2025-02-23 | 32nd Annual Brea 8K Classic presented by Brea Mall 8K Run/Walk | 1:25:59 | 1780 |