Jay Mathewson has 3 recorded races from Sergeant Bluff, Iowa, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-09-29 | 2024 Life Time Chicago Half Marathon + 5K | Half Marathon | 2:11:15 | 3452 |
| 2024-05-19 | 2024 Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 1:44:57 | 483 |
| 2023-05-21 | Life Time Chicago Spring Half & 10K Half Marathon | Half Marathon | 1:33:30 | 154 |