Trail Running Calendar California 2026-2027

A well-marked *62 mile* trail ultramarathon in the Marin Headlands near Stinson Beach, CA, with over 11,000 feet of climb, a 15 hour 30 minute time limit and a 400 runner field limit. The race emphasizes low-waste practices and community in..

Trail races in Lone Pine CA on May 2 2026 include 50 mile, 50 km, marathon and 10 mile distances through the Alabama Hills and Mt Whitney foothills with ten aid stations and community support.

Trails n Vines Wine Run takes runners through the scenic vineyards of Orfila Winery in Escondido. Choose from 3, 6, or 9-mile trail distances and enjoy wine tastings after the race. Participation is limited to 400 runners.

Experience a fun mud filled course at Bates Nut Farm featuring waist deep mud pits and a dozen unique obstacles. This untimed event is perfect for those looking to run crawl and slide through the mud followed by a post race party.

Trail races from Browns Ravine Marina follow out-and-back lakeside trails with 10K, half marathon, 35K and 50K options; aid stations appear every 4 to 6 miles and all finishers receive a custom medal.

A multi-format trail running event at East Walker Ranch Open Space on May 2-3, 2026, offering fixed distances, 6/12/24-hour categories, relay teams, on-site camping, cupless aid stations, and themed finisher medals.

Trail races at Jack London State Historic Park on May 2 2026 include a half marathon and a five mile through vineyards and Sonoma Mountain hills. Aid stations are provided and headphones are not allowed for safety.

A full-day trail event at Almaden Quicksilver County Park on May 2, 2026, offering distances from a kids run to a 50K with marked dirt roads, single-track sections, aid stations, drop bag service at the Hacienda start, and free parking.

A family-friendly, non-competitive 5K trail run/walk and 1 mile walk at Elysian Park in Los Angeles on May 2, 2026. Proceeds support CurePSP’s work on PSP, CBD and MSA; post-event food, lawn games and music are planned.

A memorial marathon in San Diego on May 3, 2026. The event is not a race and offers no official support; participants navigate and support themselves and may register to record a result.

A trail run through the forested trails of Pacific Union College offering 26k, 10k, and a 1 Mile Kids Run for ages 7 to 12. The event is cupless, parking is free first come first served, and proceeds support PUC Athletics.

A 10K trail run and hike on May 3, 2026, covering 6.2 miles with 1,686 feet of elevation gain. The Brand Park course climbs to 2,536 feet and offers wide views of the Los Angeles Basin and the San Gabriel Mountains.

A trail race from Stinson Beach into Muir Woods offering marathon, half marathon and 7 mile options, with technical climbs, ladder and stair sections, marked aid stations, and a field limited to 300 participants.

Run or walk through conifer forests and along coastal bluffs in Point Arena. This sustainable 5K trail event supports local environmental education and youth stewardship on the Mendocino Coast.

Experience the scenery of Tilden Regional Park at the Grizzly Peak Trail Run. Choose from various distances including a 50K and marathon starting from the shores of Lake Anza in Berkeley.

Trail running event in Susanville, California, with multiple distances from a 1-mile kids race to a 50K and a 50K relay. Courses run mainly on single-track trails through pines and meadows with stocked aid stations.

Experience the diverse landscapes of Monterey County with courses ranging from a family friendly 1 mile run to a 35K trail race through the Palo Corona Backcountry. Enjoy exclusive access to protected lands and coastal vistas.

Sasquatch Trail Run on May 9, 2026 at Dry Creek Preserve offers live 5k race options, a virtual 5k, and a kids event. A portion of proceeds supports Dry Creek Preserve and Sequoia Riverlands Trust.

Trail ultramarathons in Almaden Quicksilver County Park on May 9 2026, offering a 100K and a 50K with substantial elevation gain, course maps and GPX files, USATF sanctioning, aid stations, volunteer support, swag and a post race party.

A timed half marathon on 9 May 2026 from Quintessa Winery to Yountville in Napa Valley. The finish line Wine Village features live music, Domaine Chandon welcome bubbles and complimentary tastings from multiple wineries.