Zack Williamson has 2 recorded races from WA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-07-26 | Run Super Series | Jack and Jill Downhill Marathon Marathon Saturday | Marathon | 4:11:09 | 456 |
| 2022-10-02 | Tri-State New Jersey Spartan Trifecta Event Weekend - Super Super Open | 2:41:56 | 717 |