Don Bayko has 2 recorded races from Darien, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-17 | 2026 Life Time Chicago Spring Half Marathon & 5K | Half Marathon | 1:36:44 | 177 |
| 2024-09-29 | 2024 Life Time Chicago Half Marathon + 5K | Half Marathon | 1:44:01 | 597 |