Harrison Ko has 3 recorded races from North Yarmouth, Maine, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-18 | Pat's Pizza Clam Festival Classic 5 Mile Run | 36:38 | 132 | |
| 2025-07-19 | Pat's Pizza Clam Festival Classic 5Mi Run | 34:22 | 65 | |
| 2024-07-20 | Pat's Pizza Clam Festival Classic 5 Mile Run 5Mi Run | 32:35 | 39 |