Isaac Williamson has 4 recorded races from Huntersville, -, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-03-21 | 2026 Yuengling Shamrock Marathon Weekend 8K | 39:39 | 390 | |
| 2025-03-15 | 2025 Yuengling Shamrock Marathon Weekend 8K | 38:19 | 242 | |
| 2023-10-27 | 2023 Wicked 10K Weekend | 10K | 1:07:57 | 868 |
| 2023-03-17 | 2023 Yuengling Shamrock Marathon Weekend Townebank 8K | 44:22 | 734 |