Ruth Ostenso has 2 recorded races from Surprise, Arizona, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-12-07 | 2025 Skechers Hot Chocolate Run - Phoenix 10K | 10K | 57:04 | 264 |
| 2025-03-02 | Southwest Spine and Sports Mountain to Fountain 15K 15K Trail Run | 1:29:23 | 245 |