William Karslake has 2 recorded races from Waialua, Hawaii, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-02-17 | Great Aloha Run 2025 8.2 Mile Great Aloha Run | 1:01:12 | 133 | |
| 2024-02-19 | Hawaii Pacific Health Great Aloha Run 2024 8.2 Mile Great Aloha Run | 1:05:02 | 348 |