Mario Arellano has 3 recorded races from Chicago, Illinois, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-09-29 | 2024 Life Time Chicago Half Marathon + 5K | Half Marathon | 1:59:18 | 1997 |
| 2022-09-25 | HOKA Chicago Half Marathon & 5K 12.6 Mile | 2:04:55 | 3556 | |
| 2022-05-22 | Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 2:04:53 | 1866 |