Trail Running Calendar California 2026-2027

South Bay 24 is a timed endurance challenge on a flat 1.22-mile loop in San Diego. Runners choose from 24, 12, or 6-hour events, aiming for personal records or the 100-mile buckle. The event includes a campsite, meals, and a special prize f..

A trail event in Downieville, California with 25K, 50K, and 100K options on mostly singletrack. Courses include multiple aid stations, substantial elevation gain, and specific equipment and pacer rules for the 100K.

Experience a unique desert night run under the Full Buck Moon on a scenic looped course. Choose between distances ranging from 9 miles to a 50k ultramarathon through manzanita groves and single track trails.

Scenic out and back trail runs near McCloud, CA on the Great Shasta Rail Trail with 10K, 30K and 50K options. The relatively flat course features regular aid stations, a 12 hour finish cutoff, and included shirt meal and finisher medal.

An endurance event at Point Pinole Regional Shoreline with 12 hour, 6 hour and 3 hour timed races on a 3.37 mile loop. Individuals and teams of two or three share laps and entry includes an all day picnic.

A 12.5 mile point-to-point trail race on Donner Summit near Soda Springs, CA, featuring four summits and about 3,300 feet of elevation gain. Entries include shuttle service, a raffle entry, and a finisher’s item.

Experience a historic cross country tradition at Elysian Park in Los Angeles. This long-standing event features age group awards and prize money while supporting youth running programs and local park foundations.

Trail running at Calero County Park with multiple distances across single track and dirt paths, significant climbs, aid stations and free parking at the park.

Trail run in Auburn, CA with 10.5- and 5.9-mile courses through the American River Canyon, featuring single-track, canal sections, dirt and paved roads, named climbs, and post-race food and beer for those 21 and older.

The Badwater 135 is a 135-mile ultramarathon from Death Valley to the slopes of Mount Whitney. Starting at the continent's lowest point, runners face extreme elevation changes across three mountain ranges. It's an invitational race with a s..

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.

Experience a scenic mountain race through the pine forests of the San Bernardino National Forest. Run alongside the lake and onto forest trails with distances including a 5k, 10k, and Half Marathon.

Experience trail running in Orange County with several race distances ranging from a 5k to a 6 hour timed challenge. Navigate a scenic 3.3 mile looped course with multiple early bib pickup options available.

Trail races on August 1, 2026 in the Marin Headlands near Sausalito offer 8K, half, 30K and 50K courses with coastal single track, ocean and Golden Gate views. The event is chip timed and runs as a cupless race.

A multi-loop trail marathon near Soda Springs, CA covering about 26.4 miles and 4,300 ft of gain across Royal Gorge land, with a central aid station, solo and relay options, parking at Soda Springs Ski Resort, and shuttle service to the aid..

A classic trail event in Castro Valley offering 50K and 21K loop courses through East Bay Regional Parks, with on-course aid stations, volunteer support, race swag, and age-group awards.

Explore new trails above Shaver Lake at the Ely Mountain Trail Race. Choose between a 14K course with a rugged 1,000-foot climb or an 8K route, both offering mountain views. All runners get a custom shirt, finisher medal, and post-race refr..

Test your endurance at Skyline Wilderness Park in this time based trail run where you complete as many laps as possible in three, six, or twelve hours. Enjoy rolling hills and scenic singletrack in the heart of Napa.

Experience a high altitude alpine adventure in the High Sierra of Northern California. Run through scenic wilderness loops near Lake Tahoe with distances ranging from 5.6 miles to a 50K ultramarathon.

A trail running event through redwood forests near Gilroy with 5K, 10K, and half marathon options featuring large elevation gains and scholarship fundraising for youth trail running camps.