Rosemarie Lamberth has 2 recorded races from Elk Grove, California, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2026-07-25 | San Francisco Marathon CHINA AIRLINES BRIDGE HALF MARATHON | Half Marathon | 3:12:49 | 6329 |
| 2026-01-18 | Carlsbad Marathon, Half Marathon & 5K | Half Marathon | 3:01:48 | 3694 |