Justin Piper has 3 recorded races from Maryland Heights, Missouri, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-10-05 | MO' Cowbell Marathon/Half-Marathon/10K/5K Half Marathon | Half Marathon | 2:32:50 | 1640 |
| 2023-10-01 | MO' Cowbell Marathon/Half-Marathon/10K/5K | Marathon | 5:10:27 | 358 |
| 2022-10-02 | MO' Cowbell Marathon/Half-Marathon/10K/5K Half Marathon | Half Marathon | 2:12:02 | 895 |