John Atamanczyk has 2 recorded races from Salt Lake City, Utah, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-04-20 | 2024 Salt Lake City Marathon Half Marathon | Half Marathon | 2:25:38 | 2018 |
| 2023-04-22 | 2023 Salt Lake City Marathon Full Marathon | Marathon | 4:34:58 | 517 |