Hyunkyung Jeon has 4 recorded races from Cupertino, CA, KR.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | 2025 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:11:47 | 2181 |
| 2025-10-04 | 2025 Rock 'n' Roll San Jose 5K | 5K | 32:15 | 440 |
| 2024-10-06 | 2024 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:07:24 | 1738 |
| 2023-09-30 | 2023 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 1:56:33 | 1472 |