Richard Tso has 3 recorded races from Avondale, AZ, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas 10k | 10K | 1:35:30 | 4021 |
| 2023-04-23 | 2023 Rock 'n' Roll Nashville Half Marathon | Half Marathon | 3:33:56 | 10362 |
| 2022-02-27 | 2022 Rock 'n' Roll Las Vegas 10K | 10K | 1:27:21 | 2937 |