Oliver Dela Rosa has 3 recorded races from Montgomery, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | 2025 Life Time Chicago Half Marathon + 5K | Half Marathon | 2:18:45 | 4593 |
| 2023-05-21 | Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 2:00:16 | 1648 |
| 2022-09-25 | HOKA Chicago Half Marathon & 5K 12.6 Mile | 2:27:15 | 5706 |