Trail Running calendar near Saratoga 2025-2026

Run scenic trails around Angel Island from a lively 5 mile loop to a challenging 15 mile climb up Mount Livermore, with custom medals and pre registered shirts. Ferries from Tiburon set the scene for a memorable island race day.

Run or hike scenic Skyline Ridge in La Honda, CA with 50K, 21K and 10K options across rolling ridges and forested trails. All entry fees support the Bay Area Ridge Trail so your miles help protect local open space.

Run scenic trails at China Camp State Park in Santa Venetia with live and virtual 5K, 10K, and half marathon options on March 15, 2026. Expect technical single track, big climbs, and rewarding views for trail runners seeking a challenge.

Run the Marin Ultra Challenge on March 14, 2026 from Rodeo Beach, choosing a rugged 50 Mile or lively 50K through Marin Headlands, Mount Tamalpais and Muir Woods. Expect big climbs, technical single track and sweeping coastal views.

The Big Alta is a three day trail running festival in Marin County offering 28K, 50K and 100K routes that climb scenic ridgelines with sweeping San Francisco Bay views. Expect staffed aid, chip timing and lively post race vibes.

Run peaceful redwood trails in Oakland with distances from a kids 50 yard dash to 50K ultras, plus family friendly 5K and marathon options. Enjoy scenic singletrack, stocked aid stations and springtime forest views.

Run a scenic 10K trail at Lake Lagunitas with roots, bridges and about 400 feet of climbing while supporting Evidence Action's Safe Water Now program. Limited to 100 runners, rain or shine, so register early for this feel good challenge.

Run a scenic half marathon through redwood woods and open hills at Skyline Ridge near La Honda, with ocean and Bay views and runnable rolling climbs. Proceeds benefit The Hatuey Project, with the director matching entries for double impact.

Run the Western Pacific at Quarry Lakes, Fremont on March 28, 2026. Choose a half marathon, 10K or 5K on mostly flat, scenic Alameda Creek and Western Pacific Trail, with virtual entries and free race photos.

Run scenic single track and fire roads above the Golden Gate Bridge at the Golden Gate Headlands Marathon, Half Marathon and 10K on April 4, 2026. Limited to 400 spots, this race delivers sweeping bay and ocean views.

Run the scenic trails of Mount Diablo near Walnut Creek on April 4, 2026 with Brazen Racing, offering distances from 5K to 50K. A portion of entry fees benefits Save Mount Diablo so you can race and help protect the park.

Run around Angel Island for stunning views of the Golden Gate, Alcatraz and San Francisco in a scenic but hilly 10K or half marathon loop. Limited to 400 runners, ferry transport and a finisher shirt are included for participants.

Run around Lake Chabot's scenic reservoir and rolling hills on April 11, 2026, with distances from a kids dash to a 50K ultra. Pre registered runners get shirts, all finishers earn medals, and well stocked aid stations keep you moving.

Find your pace along scenic Lake Del Valle at the Badger Cove races in Livermore, with half marathon, 10K, 5K and remote options for runners, hikers and walkers. Enjoy chip timing, custom finisher medals and shirts while supporting East Bay..

Hit the trails April 18, 2026 at Skyline Ridge Open Space Preserve in La Honda for the Horseshoe Lake Trail Run, with distances from 5 miles to 50K plus a free kids dash. Enjoy Pacific and Santa Cruz Mountain views, single track terrain, st..

Join the No Foolin' Foot Race in San Carlos on April 18, 2026 with 1K kids, 5K, 10K and a new 15K route across Big Canyon, Eaton and Pulgas Ridge. Festival vibes, tech shirts, pro timing and proceeds help local trails.

Hit the trails at the Mt Tam Wild Boar Half Marathon or 10K along Bolinas Ridge with stunning Pacific and lagoon views. Limited to 300 runners, this intimate trail race returns April 25, 2026.

Take on the Miwok 100K in the Marin Headlands near Stinson Beach, a scenic 62 mile trail with 11,000 feet of climbing. Limited to 400 runners, the well supported, low waste event offers relay and training options plus finisher swag.

Run the classic Stinson Beach to Muir Woods trails on May 9, 2026, choosing marathon, half or 7 mile routes in a limited 300 runner field for an intimate race experience. Expect rugged coastal redwood paths, creek crossings and rewarding pa..

Run the scenic Berkeley hills from Lake Anza in Tilden Park with distances from 10K to a rugged 50K, plus a free kids dash. Register early for a tee, all finishers get a custom medal, and parking is free.