Trail Running Calendar California 2026-2027

We have found 327 Trailruns in California. Check below where and when you can find the races.

The Lake Hodges Trail Festival will take place in Del Dios from Saturday 17 October 2026 to Sunday 18 October 2026. You can run between 5 and 50 kilometers.

Run among the iconic rock formations at Vasquez Rocks Natural Park in Aqua Dulce on October 17, 2026. SPACEROCK Trail Race features 5K, 10K, 15K and half marathon routes on scenic trails for runners of all abilities.

Run or walk on scenic dirt roads and trails in the Sierra foothills. The Springville Apple Run features a 5K, 10K trail run, a 2-mile walk, and a kids' half-mile run. It's a classic community event tied to the local Apple Festival.

The Jackalope Lope is a trail run in Whiskeytown National Recreation Area on October 17, 2026. It offers distances from 8.5 miles to 52k on trails with notable elevation changes.

The inaugural Sonoma Fall Classic offers trail races from marathon to 100 miles around Lake Sonoma in California's wine country. Runners can tackle legendary climbs and scenic singletrack in this October event. Free camping is available nea..

Trail races from a kids run to a half marathon take place inside Marshall Gold Discovery State Historic Park in Coloma, CA. Courses mix singletrack and paved trails with technical climbs, scenic views, aid stations, and finishers' medals.

Run the half marathon or 10K through the scenic Alabama Hills near Lone Pine, California. This event features chip-timed loop courses on trails and dirt roads at 3,700 feet of elevation. Your participation supports the John Wayne Cancer Fou..

Event Overview The Diablo Summit Stomp is a trail race held on October 17, 2026, in Walnut Creek. The event offers several distances run on dirt trails. Distances and Courses Participants can choose from one of four courses: 30K Half Marat..

The Peak trail run in Julian, California, challenges runners with its 50K, Marathon, and Half Marathon courses. The routes climb Cuyamaca Peak on single-track trails, featuring significant elevation changes and mountain views. It is designe..

Trail races in Upper Bidwell Park near Chico featuring a half marathon with a steep early climb and a 4 mile endurance loop that can repeat hourly for up to eight hours.

Experience scenic singletrack and natural terrain at Hahamongna Watershed Park in Pasadena with options for a trail half marathon, 10K, or 5K on Sunday, October 18, 2026. Perfect for trail runners seeking a challenging yet runnable course.

A 200 mile circumnavigation of San Diego County across coastal, urban, mountain and desert terrain with an 82 hour cutoff. Field limited to 24 experienced ultrarunners, crews are required and entry is $750 plus fees.

A trail running event at Caspers Wilderness Park on October 24, 2026, offering 10k, half marathon, 35k, marathon and 50k courses. Courses are described as marked and supported, with an athlete guide and past results available.

An 8-hour timed trail run on a 3.7 mile loop with about 600 feet of climb per loop at Wildwood Canyon State Park in Yucaipa on October 24, 2026. Aid stations and vendors are onsite and an after party is held at Hops and Spokes Brewery.

A remote, self organized foot race near Oxbow Reservoir, CA with unmarked on and off trail routes of roughly 15, 30, and 43 miles and no official aid or medical support.

Trail and dirt road races around Millpond in Bishop, California, offering 5k, 10k, 33k and 50k courses with varied single track and sustained climbs. Proceeds support Inyo County Search and Rescue and aid stations include substantial food.

No Name Trail Races in Cheeseboro Canyon near Agoura, California feature a 50k, a half marathon, and a 5k over varied singletrack and fire road terrain, with stocked aid stations, same day results, finisher medals, and post race amenities.

Explore the pine-lined trails around Jenkinson Lake at the fall edition of this trail run. With seven distances from a 5K to a 50K ultra, the event features rolling hills and shaded single track. Runners can enjoy post race ice cream, aid s..

Explore the trails of Salmon Falls Ranch in the Gold Country foothills. Choose between a challenging half marathon or a 10K on a course featuring single-track, creek crossings, and views. The event supports the American River Conservancy's..

The Machete Muertos 200 is a multi-day ultramarathon at Lake Perris, featuring distances from 10 to 200 miles. The event offers a free campground and is themed around the Dia de Los Muertos celebration.