George Greco has 8 recorded races from Southern California.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-11-08 | 2025 REVEL Big Bear Half Marathon | Half Marathon | 1:59:28 | 854 |
| 2025-04-05 | 2025 REVEL Mt Charleston Half Marathon | Half Marathon | 1:59:05 | 572 |
| 2024-11-16 | 2024 REVEL Big Bear Half Marathon | Half Marathon | 1:49:17 | 1619 |
| 2024-11-02 | Vacation Races | Joshua Tree Half Marathon | Half Marathon | 3:05:01 | 1152 |
| 2023-11-18 | 2023 REVEL Big Bear Half Marathon | Half Marathon | 1:46:29 | 371 |
| 2023-06-17 | Rock Tahoe Half Marathon | Half Marathon | 2:08:07 | 335 |
| 2023-04-01 | 2022 REVEL Mt Charleston Half Marathon | Half Marathon | 1:51:48 | 334 |
| 2022-06-18 | Rock Tahoe Half Marathon | Half Marathon | 2:35:41 | 792 |