Trail Running Calendar California 2026-2027

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

A community relay on Auburn trails with 100 one mile legs and a separate 100 mile virtual challenge completed over 25 days, both offering tracking options and a finisher item for virtual participants.

Live and virtual options at Lake Chabot feature 5K, 10K, and a half marathon with multiple aid stations, on-course nutrition, race apparel and a woodallion, post-race beverages, and a brewfest atmosphere.

A free community trail event at High Camp in Olympic Valley on June 26, 2026, starting from the Western States 100 start line. Features a kids 100.2m dash, trails around High Camp, gondola descent, and an after party with live music.

A 100.2 mile trail run from Olympic Valley to Auburn, California, on June 27-28, 2026, crossing high country, rivers, and historic trails. Time based belt buckles are awarded and the race is supported by more than 1,500 volunteers.

A weekend camping and trail event in Pearblossom, CA that raises funds for Chingonas on the Run. Participants attempt a six hour loop challenge on singletrack around Mount Hillyer with aid at a central basecamp.

A mountain trail event at Mt. Shasta Ski Park on June 27, 2026, offering three courses from 4 to 15 miles, professionally timed with fully supported aid stations and on-site Community Day activities.

A sober-focused running event on June 27 in San Luis Obispo with in-person and worldwide virtual options, timed loop formats, an official tee, and a post-run ceremony celebrating participants.

A free, social, non-competitive trail run in Newport Coast on June 27, 2026, featuring an approximately 5.7 mile hilly route with rocky sections and about 760 feet of gain. Participants should have prior trail running experience.

A family-friendly 5K mud run on June 27, 2026 at Indian Hill Ranch featuring mud pits, obstacles, a Pre-Party and an After-Party, with Value and VIP registration options.

A 50K loop trail race in North Lake Tahoe featuring single track and fire road trails, 6225 to 7500 feet elevation, five aid stations, medical support, and a finish area with food, beverages, and a finisher medal.

A 10-mile trail race in Redwood Regional Park starting and finishing at Chabot Space & Sciences Center, featuring single-track trails, steep climbs including the Woodmonster, staggered handicap starts and a team competition.

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

Multi-day trail runs in Yosemite high country offering summit routes (El Capitan, North Dome, Cloud's Rest), point-to-point mileage across 40-98 miles, glamp-style basecamp at Tioga Pass, guided shuttles, meals, and permit logistics include..

A free in-person trail run hosted by Fleet Feet Aptos and Altra near Nisene Marks, with demo shoes available and beer at Other Brother Beer Aptos. The event features a group trail run and is scheduled to last two hours.

A trail event in Burney, CA featuring 5K and 10K distances plus a burro race on the Historic Great Shasta Rail Trail, with specific gear and welfare rules for burros and local festival activities nearby.

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.

Map based 5K and 10K adventure starting at Ghirardelli Square. Teams of one to five navigate custom maps to tag checkpoints, then gather afterward for snacks and drinks in a rain or shine event.

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.

Multiple trail distances from 5K to 50K on very hilly single track and dirt roads at Rancho Cañada del Oro. The course features scenic foothill views, two aid stations, enforced cutoffs, and finishers receive a medal.