Koleen Jameson has 2 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 | 2:07:01 | 849 |
| 2022-10-02 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 10K | 1:30:14 | 528 |