Mary Oster has 2 recorded races from Casper, WY.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2024-09-08 | Casper College T-Bird Trek Half Marathon Downhill | Half Marathon | 2:01:14 | 25 |
| 2023-09-10 | Casper College T-Bird Trek Half Marathon Downhill | Half Marathon | 2:01:45 | 27 |