Nkiru Osefo has 3 recorded races from River Forest, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-05-17 | 2026 Life Time Chicago Spring Half Marathon & 5K | Half Marathon | 3:06:43 | 6488 |
| 2025-05-18 | 2025 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 3:10:08 | 5239 |
| 2024-05-19 | 2024 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 2:57:50 | 4966 |