Alberto Castro-leon has 3 recorded races from Boulder, CO.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | Boulderthon Marathon | Marathon | 5:32:24 | 1676 |
| 2024-09-29 | Boulderthon Marathon | Marathon | 5:32:23 | 1080 |
| 2023-10-08 | Boulderthon Marathon | Marathon | 5:29:54 | 748 |