Karen Zambrano has 4 recorded races from Houston, TX.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-03 | El Cinco Cinco 10K | 10K | 1:18:47 | 216 |
| 2025-04-27 | Tri-State New Jersey Spartan Trifecta Weekend - Super Super Open I | 2:33:12 | 434 | |
| 2025-04-27 | Tri-State New Jersey Spartan Trifecta Weekend - Super Super Open I | 3:19:56 | 1355 | |
| 2024-10-27 | UTHealth Houston Half Marathon & 10K | 10K | 1:08:54 | 946 |