Trail Running calendar near Sacramento 2026-2027

A high Sierra trail event at Horse Canyon Trail Junction offering 5.6M, 10.5M, 21M and 50K options across alpine loops. The course sits near 7,400 feet with two aid stations, limited field size, and variable mountain weather.

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.

A five kilometer trail run along the Lands End Trail in San Francisco with views of the Golden Gate and the Pacific Ocean. The event lists a $10 entry fee, awards finisher ribbons, and requests no headphones or pets on course.

A community fundraising race in Oakland that supports the Oakland Cubs youth running team and its scholarship programs. The event features a Kids Fun Run and 5K trail runs at 3594 Sanborn Dr on August 16, 2026.

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 multi-distance trail event on August 22, 2026 around Jenkinson Lake with a 100-runner daily cap, starts at Scales Parking Lot and most races finish at the Waterfall Trailhead, with aid stations and a $5 day use parking fee.

A trail event at Granite Beach on August 23, 2026 offering 5K and 10K courses for runners and their dogs, with finisher medals and dog bandanas; aid stations provide drinks and gels and dogs have their own water.

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.

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.

A steep 4.75 mile up and down run, hike, or walk on San Anselmo's Bald Hill that finishes downtown with live music and a t shirt. The third annual event benefits local nonprofits and includes town endorsement.

A PA/USATF cross country race of 3.4 miles at Spring Lake Regional Park in Santa Rosa on August 30, 2026. The 33rd annual Empire Open features rugged dirt trails, three races including a masters division, and a $1,500 prize purse for USATF..

Trail races at Mammoth Bar OHV Area in Auburn State Recreation Area on September 6, 2026. Options include a 13.1 mile half marathon and a 6.2 mile 10K, each with notable elevation gain and staffed aid stations.

Multi-distance trail event at Mount Diablo offering races from 4 miles to a 50K plus a free kids dash. Mountainous routes have significant elevation gain, marked courses, staffed aid stations, and a cupless hydration policy.

A 6.45 miles trail race in Annadel State Park organized by the Empire Runners Club, held in early September with staggered age and gender starts, limited to 100 runners and awards for the top 13 finishers.

Experience the trails of China Camp State Park with a selection of distances including a 5K 10K and Half Marathon. Participants enjoy a post race festival with beer steins custom medals and local snacks.

Trail running at Tilden Regional Park in Berkeley with 50K, 35K, half marathon, and 10K options; aid stations appear every 5 to 7 miles and the event is cupless so participants carry their own bottle or reusable cup.

A looped endurance event in Auburn, California from September 18–21, 2026 offering timed runs from 6 to 72 hours, a 100 mile race, glow run, and relay options on a one mile loop with full aid support.