Trail Running Calendar California 2026-2027

We have found 375 Trailruns in California. Check below where and when you can find the races.

Operation YOSEMITE on August 8, 2026 is a load-carrying trail event near June Lake and Silver Lake in Mono County, California. Distances range from 6 to 22 miles with notable elevation gain and a 20 lb dry load requirement.

SAR Wild Run is a mountain trail event near Shaver Lake supporting the Fresno County Sheriff’s Search & Rescue Team. Races and a family hike range from 5K to a trail half marathon, and a virtual option includes mailed finisher items.

Pinecrest Run marks its 50th annual event on Aug 9, 2026 at Pinecrest Lake, California. The program includes a five mile lakeside course and a one mile pavement race and serves as a fundraiser for Pinecrest Expedition Academy.

A trail race at Malibu Creek State Park in the Santa Monica Mountains offering 25k, 50k and 75k options, significant vertical gain, stocked aid stations, and prize money including a $3,500 50k purse and a $500 25k course bonus.

A 50K ultramarathon in Marin County on August 15, 2026, running iconic Coastal, Miwok, Matt Davis and Dipsea trails with about 6,600 feet of elevation gain. Part of the USATF PA Grand Prix and offering a $10,000 podium purse.

## Conquer the Wall is an annual uphill running event at Snow Summit near Big Bear Lake. The one mile course rises about 1000 feet from a 7000 foot start and supports Big Bear High School cross country.

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 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.

Oakland Cubs Back2School 5K and Fun Run is a community trail event in Oakland on August 16, 2026 with a kids fun run and two 5K categories. Proceeds support the youth running team and scholarship programs.

A community 10K and a 1 mile kids race through the redwoods in Felton, California, starting and finishing at Roaring Camp Railroads. The event supports the local business and community association and includes a pancake breakfast.

Trail races at Henry Cowell Redwoods State Park on August 22, 2026, offering 10K, half marathon, and 30K on single-track and coastal-influenced terrain with river crossings, chip timing, aid stations, and a cupless aid setup.

A map-based 5K and 10K in San Francisco where teams navigate checkpoints and answer multiple-choice questions, followed by refreshments at the finish.

An annual 13.7 mile out and back on the Dipsea Trail from Stinson Beach to Mill Valley, run as a handicapped race with head starts for most divisions. The 2026 edition is the 56th running.

Experience the beauty of Jenkinson Lake at Sly Park Recreation Area with trail distances ranging from a 5K to a 50K ultra marathon through scenic pine forests and rolling single track.

Desolate Peaks is a self-navigated peak bagging event in Desolation Wilderness near South Lake Tahoe. Runners choose 11, 17 or 21 peak circuits on unmarked off trail terrain requiring route finding, scrambling and creek crossings.

The 21st Annual Martha Walker Wild Duck is a 5 km cross country race at Guajome Regional Park in Oceanside, California. It is the opening race of the 2026 Dirt Dogs XC Series and includes a race flyer and course maps.

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.

A two loop 4.15 mile cross country race on the fire roads of the UC Santa Cruz campus, starting and finishing at the meadow above the fire station and included in the Pacific Association USATF Grand Prix series.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

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