Trail Running calendar near Downtown San Jose 2025-2026

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..

The Wildcat Half Marathon, held at 3800 Clark Road in El Sobrante, California, offers runners a scenic experience with spectacular 360-degree views of the Bay Area. The event features multiple race distances including a half marathon, 10K, and 5K, catering to a variety of runners. Participants can e..

Nitro Trail 2026 is a trail running event held at Point Pinole Regional Shoreline Park in San Pablo, California. The race offers three distances: a half marathon, 10K, and 5K, catering to a range of runners. The location, once home to TNT factories, now provides an exciting trail running experience..

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..