Trail Running Calendar California 2025-2026

We have found 249 Trailruns in California. Check below where and when you can find the races.

Take on the scenic Griffith Park trails with a team marathon relay or an individual 8K in Los Angeles on June 7, 2026. Enjoy live DJs, food trucks and a finisher shirt and medal at this Runner's World recommended event.

Run scenic trails at Lake Chabot on June 7, 2026 in a chip timed half marathon or 5K with ridge top views of Mt Diablo and the Bay. Presented by Castro Valley Sports Foundation as a fundraiser with finisher medals.

The Tahoe 200 is a 200.2 mile ultramarathon around Lake Tahoe on National Forest lands, with ridge runs, alpine lakes, rock gardens and Desolation Wilderness views. With robust aid and a 105 hour cutoff this qualifier for Hardrock 100 and W..

Run the Bay Area 100 on June 13, 2026, a point to point 100 mile race from UC Berkeley to Skyline High in Oakland. Enjoy epic East Bay ridge and redwood scenery with about 18,000 ft of climbing and a 33 hour cutoff.

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Explore scenic single track and fire roads at the Cool Moon Trail Races in Cool California on June 13 and 14 2026. Choose distances from a 5K to a 100K and enjoy looped courses, aid stations and live runner tracking.

Tackle 100 miles in Cool, California on alternating lap loops through scenic singletrack and fire roads. Well marked with aid stations and crew access at the start, finishers earn a handcrafted Comstock Heritage buckle and medal.

Run the scenic trails of Griffith Park at Phoenix Rising on June 13, 2026, with 5k to half marathon options for every pace. Enjoy marked dirt trail routes, finisher medals, free photos and post race snacks in a lively community atmosphere.

Join the scenic Olympic Valley Half Marathon, 8 Miler, or 5K on June 13, 2026 at Palisades Tahoe. Run fast flat trails along the Truckee River, enjoy aid stations, a finisher medal, and post race beer.

Run the scenic Old Zoo Half Marathon in Griffith Park, Los Angeles on June 14, 2026, with half marathon and 12K options on mostly flat trail courses. Enjoy a commemorative elephant finisher medal, music and postrace refreshments.

Broken Arrow Skyrace at Palisades Tahoe June 18 to 21, 2026 is a four day mountain running festival with exposed high alpine terrain, ladders and possible snow. Nine distances span a big 46K to a kids run with food, craft beer and music.

Tackle the Burney Mountain 100, a 100 mile loop through Lassen National Forest with about 15,000 feet of climb. Start and finish at Burney Mountain Guest Ranch and soak up sweeping views of Mount Lassen and Mount Shasta.

Tackle scenic, technical single track on Black Mountain in San Diego at the Black Mountain Trail Races on June 20, 2026, with 50K, 25K, and half marathon options. Expect rugged chaparral terrain, big views, and supportive aid stations.

Run a scenic loop through Susan River Canyon on the Bizz Johnson and Southside Trails, with 22K, 14K and 7K options. Limited to 150 runners, finishers get a custom medal and microfiber towel and riverside postrace refreshments.

Tough Topanga is a scenic trail run at Topanga State Park offering 10k, 15k and a kids 1k. Finishers get a local medal and tee, post race tacos and a beer garden plus cash prizes with proceeds benefiting LA Fire Station 69.

Choose from three scenic trail races near Lake Siskiyou with sweeping views of Mt. Shasta and Mt. Eddy: 52K, 34K, and 10K over single track and forest roads. Expect challenging terrain, finisher swag, and a local post race meal.

Run the legendary Western States 100, a 100.2 mile trail ultramarathon through Sierra high country and gold country with 18,000 feet of climbing and scenic river crossings. The 2026 race is June 27 to 28 and entry is by lottery.

The Burton Creek Trail Run will take place in Tahoe City on Sunday 28 June 2026. You can run between 6 and 21 kilometers.

Take on the Big Chief 50K, a scenic trail run from Tahoe City on single track and fire roads with big climbs and Lake Tahoe views. Aid stations, medical support and a finisher medal make for a rewarding mountain day.

July 2026

Intermountain Endurance stages trail and ultrarunning races in Burney, California, from the June Burney Mountain 100 to summer 10k and 50k races and a playful burro race. Community focused and nonprofit supportive, they welcome runners of a..

Celebrate Independence Day with Run to the Beach, a scenic trail run from North Tahoe Regional Park to Tahoe Vista Recreation Area Beach in Lake Tahoe offering 5K and 10K courses. Finish on the sand with swimming, paddle rentals, music and..