Peter Ralston has 2 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-17 | 2026 Life Time Chicago Spring Half Marathon & 5K | Half Marathon | 1:59:42 | 1605 |
| 2025-09-28 | 2025 Life Time Chicago Half Marathon + 5K | Half Marathon | 1:57:51 | 1970 |