Trail Running Calendar California 2026-2027

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

Experience the beauty of Jenkinson Lake at Sly Park Recreation Area with trail distances ranging from a 5K to a 50K ultra marathon through scenic pine forests and rolling single track.

Join this unique trail run at Folsom Lake SRA where you can compete alone or with your dog. Features 10K and 5K courses with specialized awards for different dog weight classes and finisher medals for all.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

Set at 6,000 feet around Tanri Lake, this event features a relay, a 10 hour individual race, and a 10k. Cash prizes are on offer, and registration includes dinner and a hat. The individual race offers a chance to qualify for the Western Sta..

Join this free community trail running festival in Los Angeles featuring social runs, a regional race expo, and prize raffles. Connect with local race directors and clubs while enjoying a 5k or 10k urban dirt trail run.

Experience a scenic trail run around Angel Island State Park with views of the San Francisco skyline and Golden Gate Bridge. Choose between 10K and half marathon distances on this hilly island loop trail.

Explore the scenic trails of Huddart Park and Bear Gulch at this multi distance trail event. Runners can choose from distances ranging from 8K to 50K through redwood forests and lush ferns.

Explore the gentle trails of Pinto Lake County Park at the Apple City 5k. This inaugural event celebrates the agricultural roots of Watsonville's Pajaro Valley. The race supports local students, with half of its proceeds going to the Pajaro..

September 2026

Course Overview The Noble Canyon 50K & 15K are trail races set in the Cleveland National Forest in eastern San Diego County, California. The event is described as a Southern California trail classic offering a high-desert adventure thro..

This trail running event in Auburn, California, offers half marathon and 10K distances. The courses traverse the steep and scenic trails of the Mammoth Bar OHV area, known for its rugged climbs and canyon views.

Experience the natural scenery of Mount Diablo State Park through a variety of trail races. Runners can select distances ranging from 4 miles to a 50K with spectacular views of the San Francisco Bay Area.

Experience the beauty of Thousand Hills Ranch with a scenic run through rolling hills and trails. Enjoy a community festival with live music and food while supporting meaningful local causes in Pismo Beach.

Experience an intense trail race through the Angeles National Forest to the summit of Mt Baldy. This historic mountain run climbs over 4000 feet to reach a finish line at an altitude of 10064 feet.

Experience the trails of China Camp State Park with a selection of distances including a 5K 10K and Half Marathon. Participants enjoy a post race festival with beer steins custom medals and local snacks.

Run the scenic Rubicon Trail in a point-to-point race around Lake Tahoe's Emerald Bay. The 7-mile course features technical single-track with granite steps and stunning lake views. Your entry includes a shuttle, medal, and race photos.

Run through ancient redwoods on a looped trail course at this weekend festival. Choose from timed 6 or 12 hour events, a half marathon, or a 10k race. The private camp setting offers camping, live music, yoga, and communal meals.

Race straight up Pincushion Mountain in a one-mile timed hill climb. For a greater challenge, the Mountain Goat Edition lets you run multiple ascents within four hours. All finishers receive a custom award.

The Berkeley Trail Adventure offers four distances on the scenic trails of Tilden Regional Park. Runners can expect shaded paths, open views, and fully stocked aid stations. It's a cupless event where all finishers receive a medal.

The Stevens Creek Striders Reservoir Run offers a Half Marathon, 11K, and a family-friendly Lollipop Loop on scenic trails. It's a USATF-sanctioned event with capped participation and post-race BBQ. The run supports local trails and include..

Experience an evening trail race in Griffith Park with panoramic views and live music. Join a four person relay team or tackle the solo 5K as the sun sets over the Los Angeles skyline.