Benjamin Ostwald has 2 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | 2025 Life Time Chicago Half Marathon + 5K | Half Marathon | 2:39:50 | 6822 |
| 2022-08-28 | 2022 Chicago Triathlon International - Individual | Ultra Marathon | 3:49:12 | 2111 |