Richard Guerzo has 9 recorded races from Milpitas, CA, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-11-29 | 2025 Rock 'n' Roll Manila Half Marathon | Half Marathon | 2:25:52 | 806 |
| 2025-10-05 | 2025 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:11:20 | 2156 |
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:15:00 | 4025 |
| 2024-10-06 | 2024 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:14:03 | 2096 |
| 2024-02-25 | 2024 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 2:09:37 | 3203 |
| 2023-09-30 | 2023 Rock 'n' Roll San Jose Half Marathon | Half Marathon | 2:02:53 | 1957 |
| 2023-02-26 | 2023 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 1:59:07 | 2084 |
| 2022-06-05 | 2022 Rock 'n' Roll San Diego Half Marathon | Half Marathon | 1:57:53 | 2411 |
| 2022-02-27 | 2022 Rock 'n' Roll Las Vegas Half Marathon | Half Marathon | 1:59:59 | 2108 |