Trail Running calendar near Mountain View 2024-2025

We have found 73 Trailruns within 80 miles of Mountain View. See below where and when you can find the races.

The Monterey Ultra 50 Miler is a challenging ultramarathon set in the scenic Fort Ord National Monument, California. Participants will navigate a diverse course featuring various trail types, including fire roads and single-track paths, over a distance of 50.7 miles with significant elevation gain. ..

The Fort Ord Trail Run, hosted by Inside Trail Racing, offers a scenic running experience through the beautiful trails of Fort Ord National Monument in Monterey, CA. Participants can choose from three distances: 10K, 25K, and 50K, each featuring a mix of dirt trails and fire roads with varying eleva..

February 2025

The Golden Gate Trail Run offers a scenic running experience along the Pacific Coast, featuring stunning views of the Marin Headlands, Tiburon, San Francisco, and the iconic Golden Gate Bridge. Participants can choose from various distances, including an 8K, Half Marathon, 30K, Marathon, and a free ..

The Mt. Umunhum Trail Conquest - Winter is an exciting running event held at Almaden Quicksilver County Park in San Jose, CA. Participants can choose from various distances, including a 50K, Marathon, 30K, Half Marathon, 7 Miler, 5K, and a Kids Run.The course features scenic trails that lead into th..

The Montara Mountain Trail Run offers a variety of distances, including a 10K, Half Marathon, 20-mile, Marathon, and 50K, set against the stunning backdrop of the Coastal Mountain Habitat in Pacifica, California. Participants can enjoy scenic views while navigating through diverse terrains, includin..

March 2025

The Sanborn Trail Challenge is an exciting running event held in Sanborn Park, Saratoga, CA, featuring a variety of distances including a Half Marathon, 8 Mile, 4 Mile, Mile, and a Kids Run. The course is predominantly single track trail, offering a challenging and technical experience through a lus..

The Marin Ultra Challenge is a premier long-distance trail running event held in Marin County, California, featuring a 50-mile and a 50K race. Celebrating its 11th edition, the race showcases the stunning landscapes of the Marin Headlands, Mt. Tamalpais, and Muir Woods, with courses designed to chal..

The Race to the Top of Mt. Umunhum is a challenging half marathon event set within the scenic Almaden Quicksilver Park and Sierra Azul Open Space Preserve in San Jose, CA. Participants will experience a point-to-point course that showcases the natural beauty of the area.The event includes a 6-hour t..

The Big Alta is an exciting trail running event hosted by Freetrail and Daybreak Racing in Marin County, California. Participants can choose between two challenging distances: a 50K and a 28K race, both featuring scenic single-loop courses that showcase breathtaking views of the San Francisco Bay Ar..

The South Hills Single Track Trail Run - Spring takes place at Calero County Park in San Jose, CA, featuring a variety of distances including a 50K, Trail Marathon, Half Marathon, and shorter options down to a Kids Run. Participants can expect a challenging course with scenic single track trails, hi..

The Redwood (Spring) Trail Run offers a variety of distances, including a 5-mile, half marathon, 30K, marathon, and 50K, all set in the scenic Redwood Regional Park. Participants can enjoy breathtaking views along the East Ridge and West Ridge trails, as well as the tranquil Stream and Bridle trails..

April 2025

The Santa Teresa King Richard Annual Trail Run is a heartfelt event held at the Pueblo Day Use Area in Santa Teresa County Park, San Jose, CA. This running event features multiple distances, including a Half Marathon, 10 Mile, 10K, and 5K, catering to various skill levels. The race honors Richard Li..

The 2025 Romancing the Island Half Marathon & 10K, taking place at Angel Island State Park, is the 34th annual running event that offers participants stunning views of the Golden Gate Bridge, San Francisco, and surrounding areas. The half marathon features a challenging loop course completed twice, ..

The SPASM Lake Chabot Trail Run offers a variety of distances, including an 8K, Half Marathon, 30K, Marathon, and 50K, set in the scenic Lake Chabot Regional Park. The course features a mix of single track, dirt roads, and asphalt, making it suitable for both novice and experienced trail runners. Pa..

The Woodside Crossover will take place in Redwood City on Saturday 12 April 2025. You can run 50 kilometers.

The Sierra Azul Trail Challenge is a premier running event held in the scenic Sierra Azul Open Space Preserve, San Jose, CA. Participants can choose from various distances, including a 50K, Trail Marathon, 20 Mile, Half Marathon, 7 Mile, and 5K. This challenging race offers unique access to stunning..

May 2025

The Miwok 100K is a renowned trail ultramarathon celebrated for its stunning scenery and challenging course, featuring 11,800 feet of elevation gain. Set in Marin County, California, the race offers breathtaking views of San Francisco, the Golden Gate Bridge, and the Point Reyes National Seashore. T..

The Hacienda Hills Trail Run - Spring, held at Almaden Quicksilver County Park in San Jose, CA, offers a thrilling day of trail running with nine different race distances, including a 50K, Trail Marathon, 30K, Half Marathon, 9 Mile, 10K, 5K, Mile, and a Kids Run. Participants can enjoy stunning Bay ..

The Grizzly Peak Trail Run offers a variety of distances, including a 10K, Half Marathon, 30K, Marathon, and 50K, all set in the scenic Tilden Regional Park in Berkeley, CA. Participants can enjoy well-marked courses with elevation gains ranging from 1,060 to 6,760 feet, featuring a mix of single tr..

Run for Amma is an annual charity running event held at Skyline Ridge Open Space Preserve in Los Gatos, California. The event features three race distances: 50K, 30K, and 10K, with all proceeds benefiting the UCSF Julia Carnevale Lab for cancer research. Participants can enjoy scenic trails while co..