Trail Running Calendar California 2026-2027

We have found 376 Trailruns in California. Check below where and when you can find the races.

A community Independence Day event at Sycamore Grove Park featuring a flat 5K on mixed paved and dirt trails and a 400 meter kids run for ages 10 and under. T shirts are included with race fees.

A map based urban navigation run in San Francisco with 5K and 10K map courses starting at Ghirardelli Square. Teams of one to five use custom maps to find checkpoints, with refreshments and socializing after the finish.

A community July 4 event in Newhall Park featuring a flat, paved 5K along the parade route, a Kid K, and a Masters Mile Walk, with shirts, medals, an expo, and awards benefiting local high school cross-country programs.

A multi-distance trail event at Rancho Cañada del Oro Open Space Preserve on July 4, 2026, with routes from 5K to 50K over hilly single track and dirt roads. Two fully stocked aid stations support runners and time limits range from 1 to 9 h..

Two trail races at Elings Park in Santa Barbara on July 4, 2026 featuring a 5K and a 2K kids run that adults may enter; registration fees are $40 and $20 respectively.

The Run to the Beach - Tahoe Vista will take place in Tahoe Vista on Saturday 4 July 2026. You can run between 5 and 10 kilometers.

A 3 mile walk and 5 mile run around Lower Twin Lakes at about 7,000 feet elevation, with two aid stations. The event starts and finishes at the Lower Twin Lakes Store and benefits the Coleville High School Sports Boosters.

A monthly outdoor meetup in Richmond combining a community hike with an optional trail run, organized by FIERCE Advocates with Moving Forward and Richmond Run Club. Sessions include route details posted before each date and free parking.

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.

A 5k uphill race on the slopes of Mt. Baldy Resort that climbs about 1,500 feet to the Top of the Notch, with a finish area featuring a BBQ, bar, and live music and lift access back down for bib holders.

Iron X pairs a half marathon in Auburn with extreme ironing at eight town locations. Participants must be self supported, carry their own board and battery iron, and record video proof at each site.

Valley Crest Trails returns July 12, 2026 in Tarzana, Los Angeles, with a half marathon, a new two-person half marathon relay, 10K and 5K on the exposed Dirt Mulholland fire road featuring rolling climbs and a fast downhill finish.

A seven‑week series of Tuesday night fun runs in Redding from July 14 to August 25, 2026, with two distance options each week and a single punch card that covers all seven events.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

A trail race in Cleveland National Forest offering 50K, 30K and 15K on the Harding Truck Trail with substantial elevation gain, staffed aid stations, shuttle-only access at Tucker Wildlife Sanctuary, and hot July conditions.

A fully supported trail running event at La Jolla Canyon in Point Mugu State Park offering 25k and 10k courses with marked routes, aid stations, chip timing, finisher medals, festival amenities and a $2,000 podium prize purse.

Multi-distance trail race in Griffith Park with 5k, 10k, 15k and half marathon options on a marked, hard-packed dirt course; includes medals, free photos, aid station and free parking.

Trail races of 10K, half marathon and 30K on Mt. Tam and through Muir Woods, featuring steep climbs, technical single-track and ocean views near Stinson Beach.

A multi-distance event at Whittier Narrows on July 19, 2026 offering 5k, 10k, 15k and a half marathon on marked out and back loops, with an aid station, medals, free photos and posted results.

A loop based endurance event at Montgomery Waller Community Park offering 24 hour and shorter timed races plus a HEFFTY half marathon. The course mixes trail, grass and bike path and provides oncourse aid and runner campsite facilities.

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