Guillermo Contreras has 3 recorded races from Las Vegas, NV.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-26 | 2025 Vegas Marathon | Marathon | 4:47:18 | 1148 |
| 2025-05-17 | 24th Annual America First Ogden Marathon | Marathon | 5:02:42 | 1030 |
| 2024-02-10 | 2024 Mesa Marathon | Marathon | 4:05:16 | 1489 |