Jeffrey Guerrero has 3 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-08-23 | 2025 Chicago Triathlon Olympic | Ultra Marathon | 3:47:00 | 2270 |
| 2024-05-19 | 2024 Life Time Chicago Spring Half & 10K | 10K | 1:02:59 | 512 |
| 2023-09-24 | Life Time Chicago Half Marathon + 5K presented by HOKA | Half Marathon | 1:38:32 | 389 |