Trail Running calendar near San Jose 2026-2027

Experience a piece of railroad history at this event in Fremont's Quarry Lakes Regional Recreation Area. Run a flat course on the historic Western Pacific Trail with distances including a half marathon, 10K, and 5K.

Run along the scenic Pacifica coastline in the Mori Point 7K. This event features a flat course through the Mori Point National Recreation Area using a mix of trails and paved paths.

Experience an obstacle course weekend at Woodward Reservoir Regional Park near San Jose. Choose from distances ranging from a 5k Sprint to a 50k Ultra on a flat course designed for personal performance.

Experience a scenic trail run through the Marin Headlands with panoramic views of the Golden Gate Bridge and Pacific Ocean. Choose between 10K, half marathon, and marathon distances on a course featuring wildflower lined trails.

Experience the scenic beauty of Mount Diablo with trail races ranging from 5K to 50K. Support local land preservation while enjoying a professional event featuring a post race BBQ in Walnut Creek.

Experience a scenic trail run around Angel Island with panoramic views of the Golden Gate Bridge and San Francisco. This event features a hilly loop course for both Half Marathon and 10K distances with ferry transport included.

Experience a scenic trail run around Lake Chabot and the surrounding hills of Castro Valley. With distances from a 50 yard dash to a 50K ultramarathon there is an event for everyone at this regional park.

Experience a scenic trail run along the San Francisco coast with views of the Golden Gate and Pacific Ocean. This five kilometer event awards ribbons to all finishers and top category performers.

Experience the hills of Del Valle Regional Park in Livermore with a flat 5K or hilly 10K and half marathon. All participants receive a custom medal and t-shirt with professional chip timing included for all distances.

Experience the coastal beauty of the Bay Area Ridge Trail with distances ranging from a 50 yard dash to a 50K ultramarathon. Runners enjoy expansive views of the Pacific Ocean and the Santa Cruz Mountains.

Experience a technical trail race through the scenic parks of San Carlos. Choose from four distances including a 15K long course and a dedicated kids run to support local trail maintenance.

Experience the majestic redwoods of the San Francisco Peninsula with professional chip timed races spanning 10K to 50K. Navigate beautiful single track trails and steep canyons in this scenic trail running event.

Run along the scenic coastal ridge of Mt Tamalpais State Park in this 38th annual event. Choose between a half marathon or 10K featuring single track trails and views of the Pacific Ocean.

Experience an iconic trail ultramarathon through the redwoods and coastal cliffs of the Marin Headlands. This challenging 62 mile course features 11,000 feet of gain and serves as a major race qualifier.

Run through the historic Beauty Ranch at Jack London State Historic Park. This inaugural trail event features a half marathon and five mile course amongst the vineyards and forested slopes of Sonoma Mountain.

Experience the 36th annual trail run through Muir Woods and the legendary Dipsea trail. Choose between a marathon, half marathon, or 7 mile route starting from the scenic Stinson Beach.

Experience the scenery of Tilden Regional Park at the Grizzly Peak Trail Run. Choose from various distances including a 50K and marathon starting from the shores of Lake Anza in Berkeley.

Experience the diverse landscapes of Monterey County with courses ranging from a family friendly 1 mile run to a 35K trail race through the Palo Corona Backcountry. Enjoy exclusive access to protected lands and coastal vistas.

Test your endurance at Almaden Quicksilver County Park with 50 km or 100 km trail races. These USATF sanctioned events offer significant elevation gain and the 100 km distance serves as a Western States 100 qualifier.

Celebrate the 24th year of this community event in Los Altos Hills. Run or walk through the Westwind Community Barn and Byrne Preserve on hilly 5K, 10K, or 1 mile courses.