Jennifer Karkoska has 3 recorded races from Hanover, Maryland, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-02-25 | 2023 Publix Atlanta Marathon, Half Marathon & 5K | Marathon | 3:07:03 | 33 |
| 2022-10-15 | Baltimore Running Festival Marathon | 3:10:26 | 70 | |
| BMW Berlin Marathon 2023 | Marathon | 3:02:31 | 298 |