Greg Giannell has 7 recorded races from West Palm Beach, Florida, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-01-25 | Life Time Miami Marathon & Half presented by FP Movement Half Marathon | Half Marathon | 1:39:40 | 570 |
| 2025-11-15 | Savannah Southern Half Half Marathon | Half Marathon | 1:32:35 | 79 |
| 2025-02-02 | Life Time Miami Marathon & Half presented by FP Movement Half Marathon | Half Marathon | 1:40:43 | 593 |
| 2024-12-14 | Garden of Life Palm Beaches Marathon Half Marathon | 1:39:23 | 81 | |
| 2024-01-28 | 2024 Life Time Miami Marathon & Half Half Marathon | Half Marathon | 1:42:38 | 633 |
| 2023-12-09 | Garden of Life Palm Beaches Marathon Half Marathon | 1:38:44 | 56 | |
| 2022-12-11 | Garden of Life Palm Beaches Marathon and Half Marathon | 1:35:48 | 50 |