William Johnston has 3 recorded races from D.C., US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-12-07 | CLA Blue Back Mitten Run 5K | 5K | 24:02 | 213 |
| 2025-04-27 | Tri-State New Jersey Spartan Trifecta Weekend - Super Super Open I | 1:54:13 | 46 | |
| 2023-03-18 | St. Paddy's Marathon - Half - 5k | 4:45:54 | 85 |