Bay Area 100

Trail runs on Mt. Tam near Stinson Beach with 10K, Half, and 30K options across technical trails and major elevation changes; cupless aid stations, chip timing, and a 300-runner field.

Trail endurance races at Point Pinole Regional Shoreline offering 12 hour, 6 hour and 3 hour options for individuals or teams of two or three. The 3.37 mile loop runs mostly on dirt fire trails with shoreline views and eucalyptus groves.

A trail race in the Marin Headlands with 8K, half, 30K and 50K options along coastal single-track and fire roads, marked courses, cupless aid stations, and a 350 runner capacity.

Trail races of 50K and 21K in Castro Valley that start and finish at Lake Chabot Marina. Organized by Scena Performance, the event features community volunteer aid stations, finisher swag, GPX files, and UTMB indexing.