Top races and Notable Runs:
- Miwok (100k, historical race)
- Dipsea (7/4 miles of history)
- Quad Dipsea (four times the fun)
- North Face Endurance Challenge (all distances including 50 miles)
- Marin Ultra Challenge (organized by InsideTrail.com)
- Headlands Marathon (organized by pctrailruns.com)
- Coastal 50k and other races (organized by coastaltrailruns.com)
MarinRunning.com 