Trail Running Calendar California 2026-2027

We have found 339 Trailruns in California. Check below where and when you can find the races.

This 50 mile point to point journey traverses from mountain trails to the desert floor. The finish at a campground offers a post race meal, showers, and camping. A morning shuttle is available for an extra fee.

A 28k trail run in Fremont Canyon at Irvine Regional Park featuring about 3800 feet of elevation change and four aid stations. The course runs on fire roads, is cupless, and participants are asked to carry personal hydration.

The Calero Trail Run (Winter) takes place on the trails of Calero County Park in San Jose. Runners can choose from a wide range of distances, from a 1-mile run to a 50K ultramarathon. The courses feature hills, single-track, and panoramic v..

Experience the coastal beauty of Point Mugu State Park in Malibu. Choose between 50 mile, 50K, and 30K trail distances at this popular California endurance event.

Experience the trails of Daley Ranch at the 5th Annual Dixon Lake Trail Race. Choose from 5K, 10K, or 10 mile distances featuring scenic views from Stanley Peak and a qualifying course for the ERS Championship.

The Hunter S. Thompson Fear & Loathing will take place in San Francisco on Sunday 6 December 2026. You can run between 50 and 50 miles.

A last person standing race in Yucaipa, CA, where runners complete 4.16-mile loops until only one remains. The event, scheduled for December 2026, features a Krampus-themed challenge of endurance.

The Crystal Cove Trail Run concludes the 2026 SoCalTrail season with 15K, 6K, and kids' races on the scenic trails of Orange County. Runners receive a shirt, medal, breakfast, and access to a beer garden. The event features significant awar..

Run through the redwoods and pines of Sanborn County Park. Choose from a half marathon, 10K, or 5K on scenic single-track trails. Walkers are welcome and all finishers get a medal.

Experience a festive trail event in San Diego featuring a variety of distances from a 10K to a marathon. Take on the six hour hill climb challenge or join the holiday fun by running in a costume.

Celebrate the final day of the year with a trail run at Lake Chabot in Castro Valley. Choose between half marathon, 10K, and 5K distances with options for runners and hikers alike.

January 2027

Celebrate the first day of 2027 by running or hiking along the scenic trails of Lake Chabot. Choose between a half marathon, 10K, or 5K while supporting the East Bay Regional Parks Campership Program.

Experience a diverse trail running event in Escondido featuring everything from a 50 mile ultra to a stroller friendly 5k. Explore the valley floor or climb to the summit of Raptor Ridge in this cupless race series.

Join a community run and walk along the scenic trails of the Tuolumne River Regional Parkway in Modesto. Support the Sole Support Sponsorship Program while completing a 5K course alongside friends and family.

Traverse the entire Backbone Trail in the Santa Monica Mountains during this 68 mile ultra. Choose between a solo run or a relay team and experience over 13,000 feet of elevation gain with Pacific Ocean views.

Explore the redwood trails of Huddart Park across distances from 8K to 50K. The routes offer varied terrain and significant elevation gain, with full aid station support. All finishers receive a custom medal in this cupless event.

Run through the towering redwoods and lush ferns of Huddart Park in Woodside. This trail event offers multiple distances from a five mile race to a 50K ultramarathon plus a free dash for children.

Experience the natural beauty of the California Central Coast at the La Cuesta Ranch Trail Run in San Luis Obispo. Choose between 10km, 20km, and 30km distances on this established trail course.

Experience a trail running journey across the Golden Gate Bridge and through the Marin Headlands. This world championship finale offers distances from 15K to 50 miles in the iconic coastal landscape of San Francisco.

Event Overview This event takes place in Griffith Park, Los Angeles. It offers several trail run and hike distances. The start/finish location is on a fire road just north of the Old Zoo. Distances Participants can choose from the following..