Trail Running calendar near Lake Sonoma 2026-2027

Trail running in the Stinson Beach and Muir Woods area with marathon, half marathon and 7 mile options. The event is organized by Enviro Sports and is tentatively scheduled for May 2027.

A timed half marathon through eight Napa Valley wine estates finishing in Yountville. The event includes a finish line Wine Village with live music and complimentary wine tastings.

A community trail run and hike on May 8, 2027 at the Point Arena and Stornetta Lands, co-hosted by ACORN and Pacific Community Charter School. Proceeds support the Students Protecting the Coast environmental education program.

May 15, 2027 trail races at Skyline Wilderness Park in Napa offer 10K, 21K, 30K and 50K courses with substantial elevation gain and staffed aid stations. This is a cupless event so runners must carry their own hydration.

A trail ultramarathon in Napa Valley centered at Skyline Wilderness Park, offering a solo 50 mile course and a one-loop 25 mile option. Cupless aid stations, on-course fueling, limited crew access, and drop bag support.

A race day in El Sobrante with a half marathon, 10K, 5K and a hiker division through the hills of Wilcat Canyon; registration windows and fees vary by distance.

A point-to-point 100-mile race on June 12, 2027, from California Memorial Stadium to Skyline High School, covering about 18,000 ft of vertical gain with a 33-hour time limit and varied terrain through ridgelines, redwoods, and lake shore.