Courtney Slagle has 4 recorded races from St. Charles, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | MO' Cowbell Marathon/Half-Marathon/10K/5K Half Marathon | Half Marathon | 2:19:35 | 1289 |
| 2024-10-06 | MO' Cowbell Marathon/Half-Marathon/10K/5K Half Marathon | Half Marathon | 2:00:56 | 645 |
| 2023-10-01 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 10K | 58:01 | 101 |
| 2022-10-02 | MO' Cowbell Marathon/Half-Marathon/10K/5K | 10K | 56:30 | 86 |