Marcin Juchnowicz has 3 recorded races from Rancho Santa Margarita, CA, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-02-26 | 2023 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:19:58 | 4789 |
| 2022-06-05 | 2022 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 2:13:05 | 4515 |
| 2022-02-27 | 2022 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:16:42 | 4352 |