Trail Running calendar near San Martin 2026-2027

A community running event in Los Altos Hills featuring hilly 5K and 10K courses plus a 1 Mile Fun Run, with the route starting at Westwind Community Barn and passing through Byrne Preserve and local pathways.

Trailquake 2026 invites runners to the forested trails of Saratoga, California. Choose from a 5K, 10K, or half marathon course beneath the redwoods and pines. The event is scheduled for a Sunday in May.

Celebrate Mother's Day on May 10th with a family-friendly run or walk. The event, held at Pinto Lake County Park, features a 1K kids run, 5K, and 10K. Your participation benefits Pajaro Valley Shelter Services.

Run for Amma is a 15th-anniversary charity trail run supporting cancer research at UCSF. The event features 50K, 30K, and 10K distances through Skyline Ridge Open Space Preserve. All registration proceeds go directly to fund cutting-edge ca..

The Wildcat 2026 offers a Half Marathon, 10K, and 5K with spectacular Bay Area views. The event supports the East Bay Regional Parks Campership Program and takes place in El Sobrante, California.

The China Camp Trail Run features 5K, 10K, and Half Marathon courses through scenic trails at China Camp State Park. With bay views and a cupless format, runners carry their own water. Finishers earn custom medals, and top performers receiv..

Run the original Brazen Racing event at historic Point Pinole. Choose from a half marathon, 10K, or 5K trail race. Runners and walkers are both welcome to participate.

A trail event at Joaquin Miller Park on May 30, 2026 offering 8K to 50K distances plus a free kids 50yd dash. Routes run through redwood forest on marked single track with aid stations every 3 to 6 miles.

Experience a scenic run through Coyote Point Recreation Area with a 5K or 10K event supporting mental health. Enjoy a free community wellness fair featuring local health vendors and family friendly activities.

The Toro Park Trail Run offers 10K, half marathon, and marathon distances on the rocky trails and dirt roads of California's Toro Park. The summer event features rolling golden hills and oak trees. It is held as part of a Spartan festival w..

Join the free Dirt Circus community festival in San Francisco for a social trail run, a pancake breakfast, and a raffle. Meet local race directors and brands, and enjoy the circus vibe with costumes encouraged. The event starts with group r..

A trail event in Castro Valley on June 7, 2026 offering a chip timed half marathon and 5K with on-course water, first aid support, guaranteed t-shirts for early registrants, and age division awards.

The Bay Area 100 is a point-to-point 100-mile ultramarathon journey through the East Bay hills, starting at UC Berkeley. With 18,000ft of climbing and a 33-hour limit, it traverses diverse terrain from redwood forests to exposed ridges. It..

Experience a scenic 5K or 10K run or walk through the flat dirt trails and green hills of Henry W. Coe State Park in Gilroy.

Explore the golden summer trails of Fort Ord National Monument. This trail run offers four distances across rolling hills and diverse terrain. It's a cupless event with aid stations stocked with fuel and drink.

Live and virtual 5K, 10K and half marathon at Lake Chabot Regional Park in Castro Valley, June 26 to 29, 2026. Courses mix paved and trail sections with aid stations; live participants receive a shirt, handcrafted woodallion and beer sample..

The 14th Bay 2 Bankers offers a unique team adventure through San Francisco. Navigate a 5K or 10K course from Ghirardelli Square using a custom map. Teams of up to five can enjoy post-run refreshments.

Trail races in Santa Cruz through ancient coastal redwoods and varied terrain, offering distances from a free kids quarter mile up to a 50K. Marked courses, fully stocked aid stations every 6 to 7 miles, and a cupless policy.

The Rodeo Valley Trail Run is held in the Marin Headlands near Sausalito, California. The start is near historic Fort Cronkhite and Rodeo Beach. The courses use trails and fire roads in the Golden Gate National Recreation Area, featuring co..

One of the oldest 50k races in the US, the Skyline 50k Endurance Run loops through the scenic East Bay Regional Parks. Runners enjoy strong community support from local running groups and a festive finish at Lake Chabot Marina.