Tim Williamson has 4 recorded races from Chesterfield, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | MO' Cowbell Marathon/Half-Marathon/10K/5K Half Marathon | Half Marathon | 1:45:37 | 238 |
| 2023-10-01 | MO' Cowbell Marathon/Half-Marathon/10K/5K Half Marathon | Half Marathon | 1:39:07 | 151 |
| 2022-10-02 | MO' Cowbell Marathon/Half-Marathon/10K/5K | Marathon | 3:45:15 | 72 |
| 2022-01-29 | Wildwood Frozen Feet 13.1 Mile Trail Race Half Marathon | Half Marathon | 2:04:29 | 30 |