Trail Running Calendar California 2026-2027

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.

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.

An unconventional half marathon in Auburn that blends running with extreme ironing, requiring participants to iron a button up shirt at multiple public locations while remaining self supported and documenting each stop on video.

Valley Crest Trails returns on July 12, 2026 with a Half Marathon, new two person half marathon relay, 10K and 5K on exposed, runnable fire road terrain offering wide ridge views and limited shade.

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.

Tough Mugu is a coastal mountain trail run at Point Mugu State Park offering 25k and 10k courses along the Ray Miller Trail, chip timing, aid stations, finish medals and shirts, plus a post-race festival with breakfast tacos and a beer gard..

Multiple out-and-back races on a hard packed dirt horse trail in Griffith Park on July 18, 2026, offering 5k, 10k, 15k and half marathon distances, aid station support, finisher medals, free photos, and free parking at Crystal Springs Picni..

Trail races of 10K, half marathon and 30K run from Stinson Beach into Mt Tam and Muir Woods, featuring steep climbs, technical single-track, marked courses, aid stations, and chip timing.

Out and back loop races at Whittier Narrows on July 19, 2026 include 5k, 10k, 15k and a half marathon. Registration features medals, photos, and results posted within 12 to 24 hours.

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.

A trail event in Downieville, California with 25K, 50K, and 100K options on mostly singletrack. Courses include multiple aid stations, substantial elevation gain, and specific equipment and pacer rules for the 100K.

Experience a unique desert night run under the Full Buck Moon on a scenic looped course. Choose between distances ranging from 9 miles to a 50k ultramarathon through manzanita groves and single track trails.