Madalynn Duffy has 3 recorded races from Elgin, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-17 | 2026 Life Time Chicago Spring Half Marathon & 5K | Half Marathon | 2:13:35 | 3032 |
| 2025-05-18 | 2025 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 1:59:35 | 1880 |
| 2024-09-29 | 2024 Life Time Chicago Half Marathon + 5K | Half Marathon | 2:02:07 | 2344 |