Guillermo Amescua has 2 recorded races from Key Biscayne, Florida, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-02-02 | Life Time Miami Marathon & Half presented by FP Movement Half Marathon | Half Marathon | 1:54:14 | 1999 |
| 2024-01-28 | 2024 Life Time Miami Marathon & Half Half Marathon | Half Marathon | 1:55:18 | 1916 |