Thomas Kopstein has 3 recorded races from phoenix, AZ, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2023-01-15 | 2023 Rock 'n' Roll Arizona Half Marathon | Half Marathon | 1:50:01 | 699 |
| 2022-06-05 | 2022 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 1:34:45 | 423 |
| 2022-01-16 | 2022 Rock 'n' Roll Arizona Half Marathon | Half Marathon | 1:46:38 | 586 |