Trail Running calendar near Lafayette 2026-2027

Experience a scenic trail run through ancient Coastal Redwoods and lush river canyons in Santa Cruz. Choose from multiple distances including a 50K and marathon with several river crossings.

Experience the rugged beauty of Mt. Tamalpais and Muir Woods in this coastal trail event starting from Stinson Beach. Choose between 10K, Half Marathon, or 30K routes featuring steep climbs and breathtaking Pacific views.

An endurance event at Point Pinole Regional Shoreline with 12 hour, 6 hour and 3 hour timed races on a 3.37 mile loop. Individuals and teams of two or three share laps and entry includes an all day picnic.

Trail running at Calero County Park with multiple distances across single track and dirt paths, significant climbs, aid stations and free parking at the park.

Trail races on August 1, 2026 in the Marin Headlands near Sausalito offer 8K, half, 30K and 50K courses with coastal single track, ocean and Golden Gate views. The event is chip timed and runs as a cupless race.

A loop trail race from Lake Chabot Marina through East Bay Regional Parks with substantial climbing, offered as a 50K and 21K on August 2, 2026. Finishers receive a shirt, socks, and a medal.

A time based trail event at Skyline Wilderness Park in Napa offering 12 hour, 6 hour and 3 hour formats on a 4.16 mile loop with 815 feet of elevation per lap; chip timed and cupless with aid at start/finish.

A trail running event through redwood forests near Gilroy with 5K, 10K, and half marathon options featuring large elevation gains and scholarship fundraising for youth trail running camps.

Bear Creek 2026 in Lafayette California offers a half marathon, 10K, 5K and a remote runner option on August 8, 2026. The trail course includes hills, scenic views and a final mile of downhill shaded single track.

An annual single-loop 50K ultramarathon in Muir Beach, California, traversing famous Marin trails with about 6,500 feet of elevation gain and ocean and Bay Area views.

Experience the trails of Redwood Regional Park in Oakland. Runners can choose from distances ranging from a 50 yard kids dash to a 50K ultramarathon through scenic ridge lines and redwood groves.

Trail races on hilly mixed dirt and single track at Almaden Quicksilver Park with distances from 5K to 50K, aid stations, drop bag service for longer races, and mandatory course markings and cutoffs.

A coastal 5K on the Lands End Trail in San Francisco with Golden Gate and Pacific Ocean views. The event is held rain or shine and gives finisher ribbons to all plus place ribbons for the top five overall.

Trail races of 10K, half marathon and 30K through Henry Cowell Redwoods State Park with single track, sand ridge and river crossings. Aid stations are spaced every five to six miles and the event is cupless.

A map navigation event in Fillmore and Japantown where solo runners or teams of up to five use a 1:7500 custom map to find checkpoints on 5K or 10K courses, then enjoy snacks and socializing at the finish.

The Double Dipsea is a longstanding annual 13.7 mile trail race from Stinson Beach to Mill Valley and back, run on mostly single track with many stairs and handicapped starts that create frequent passing among runners.

A 4.15 miles, two loop cross country race on the fire roads of the upper UC Santa Cruz campus on August 23, 2026. The event is part of the Pacific Association USATF Grand Prix series and has limited nearby parking.

Obstacle race weekend at Mahon Ranch near Elk Grove on Aug 29-30, 2026 with Sprint, Super and Kids races, team entry options, and service member discounts.

Trail races at Huddart Park, King's Mountain and Bear Gulch offer measured distances from a 50 yard kids dash to a 50K, with fees listed per distance and registration opening November 11, 2025.

Island loop races at Angel Island State Park with sweeping bay views; a 10K single loop and a Half Marathon that does two loops, limited to 400 participants and requiring ferry transport.