Margaret Simmering has 2 recorded races from Seattle, WA.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-07-18 | Mount Rainier Half & 5K Half Marathon | Half Marathon | 3:06:18 | 509 |
| 2023-04-02 | Schneider Electric Marathon de Paris 2023 — Running 42.195km | Marathon | 5:37:23 | 49456 |