Jeffrey Gregg has 5 recorded races from Columbia, MO, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-02-22 | 2026 Rock 'n' Roll Las Vegas 10k | 10K | 1:36:43 | 4016 |
| 2025-02-23 | 2025 Rock 'n' Roll Las Vegas 10k | 10K | 2:03:23 | 5184 |
| 2024-04-27 | 2024 Rock 'n' Roll Nashville 10K | 10K | 1:27:26 | 1825 |
| 2024-02-25 | 2024 Rock 'n' Roll Las Vegas 10k | 10K | 1:30:04 | 3142 |
| 2022-02-26 | 2022 Rock 'n' Roll Las Vegas 5K | 5K | 39:01 | 2391 |