Trail Running calendar near San Leandro 2025-2026

The Muir Woods Marathon, Half Marathon, and 7 Mile trail runs take place annually at Stinson Beach, California, offering a challenging and scenic experience. Starting at sea level, participants quickly ascend into the dense, wooded trails of Muir Woods, following the famous Dipsea Trail to Steep Rav..

Trailquake 2026 is a trail running event held at Sanborn Park, Saratoga, California, featuring 5K, 10K, and half marathon distances. Runners traverse scenic single-track trails through redwoods and pines, with the 10K and half marathon courses ascending to peaks that offer spectacular views. The eve..

Run for Amma is an annual charity running event held at Skyline Ridge Open Space Preserve in Los Gatos, California, supporting UCSF cancer research. Celebrating its 15th anniversary, the event offers three race distances: a challenging 50K with 5,266 feet of elevation gain, a 30K with 3,629 feet of..

The Rim Rock 50 Mile Trail Challenge is an inaugural ultramarathon set for May 16, 2026, in Napa Valley, California. Starting at Skyline Wilderness Park, the race covers approximately 50 miles through rugged, scenic trails including the Napa Open Space Preserve and the newly opened Suscol Headwaters..

The Napa Wilderness Trail Runs, held at Skyline Wilderness Park in Napa, California, offer a variety of trail running distances including 10K, 21K (half marathon), 30K, and a challenging 50K ultra marathon. The courses feature scenic routes with steep climbs, notably the Rim Rock Trail, providing st..

Sonoma Coast Trail Runs, hosted by SkyBreaker Racing, take place in Sonoma Coast State Park near Duncans Mills, California. The event offers multiple distances including a 50K, trail marathon, 30K, and half marathon, all featuring challenging elevation gains ranging from 2,800 to 7,000 feet. Runners..

The Toro Park Trail Run, held in Salinas, California, offers runners a scenic experience through the iconic Bay Area landscape. Participants can choose from three distances: a 10K, a half marathon (21K), and a full trail marathon. The course features rolling golden hills, smooth trails, and sparse c..