Trail Running Calendar California 2026-2027

We have found 363 Trailruns in California. Check below where and when you can find the races.

Experience an all terrain 5K trail race at BackCountry Gardens featuring hills, streams, and mud. Enjoy a competitive or fun run followed by a beer mile and wine tasting at San Diego’s only certified sustainable winery.

Experience the hills of Del Valle Regional Park in Livermore with a flat 5K or hilly 10K and half marathon. All participants receive a custom medal and t-shirt with professional chip timing included for all distances.

Trail races on the Soboba Indian Reservation support Noli Indian School. Choose from marathon, half marathon, 5k, or a kids' 3k walk/run. The event features Native and Open divisions, with proceeds funding a student scholarship.

A 50K trail run along California's scenic Mendocino Coast. The route passes redwoods, waterfalls, a river, and the ocean, finishing on the bluffs overlooking the Pacific.

Experience an obstacle course challenge at the Pala Fox Raceway featuring 5K and 10K distances. Navigate mud pits and motocross tracks in the scenic Pala Valley with options for adults, teams, and children.

Race through the ocean-view trails of Point Mugu State Park on a 21k or 10k course. Enjoy a finisher medal, breakfast tacos, and a post-race beer garden. It's part of a six-race half-marathon series with special awards.

Experience the coastal beauty of the Bay Area Ridge Trail with distances ranging from a 50 yard dash to a 50K ultramarathon. Runners enjoy expansive views of the Pacific Ocean and the Santa Cruz Mountains.

Experience an out and back dirt path trail run starting at the Porterville Military Academy. This community event offers 10K, 5K, and kids distances with finisher medals, chip timing, and support for local aviation scholarships.

Run through the beautiful trails of Trione Annadel State Park in Santa Rosa. This eco friendly event offers a half marathon, 10K, and 5K to support local park conservation and stewardship.

Experience a technical trail race through the scenic parks of San Carlos. Choose from four distances including a 15K long course and a dedicated kids run to support local trail maintenance.

Experience the majestic redwoods of the San Francisco Peninsula with professional chip timed races spanning 10K to 50K. Navigate beautiful single track trails and steep canyons in this scenic trail running event.

Experience a scenic 14.5 mile trail run along the Bullards Bar Reservoir in Camptonville. This fundraiser for the Wildland Firefighter Foundation features single track trails and support from the local fire community.

Experience the majestic Solomon Hills during this trail event featuring a scenic five mile loop with 900 feet of elevation. Choose between 5, 10, or 15 mile distances starting from the historic Newlove Picnic Grounds in Orcutt.

A community trail event in Mariposa on April 19, 2026, with 5K and 12K courses starting at the historic courthouse. Aid stations and Search and Rescue support are provided, and children under 18 may participate for free.

A 5k run and walk through the scenic grounds of CASS Winery in Paso Robles. Registration includes a wine glass, a wine stopper medal, and a post race pour. The event supports the Family Care Network charity.

Join the community at Feeney Park for the Mr Frogs Wild Run in Murphys California. Choose between a children's fun run plus five or ten kilometer courses featuring scenic neighborhood loops and a festive medal ceremony.

About the event The Canyons Endurance Runs by UTMB is an event in the historic gold-rush town of Auburn, California. It takes place in the northern California foothills of the Sierra Nevada range. The event is described as taking you back t..

UTMB Index

Run along the scenic coastal ridge of Mt Tamalpais State Park in this 38th annual event. Choose between a half marathon or 10K featuring single track trails and views of the Pacific Ocean.

Run among the only redwood grove in Southern California at Carbon Canyon Regional Park. Choose a 3, 6, or 12 hour timed event on a flat, shaded 2 mile loop. All finishers receive a custom medal in this intimate event limited to 150 particip..

Machete Trail Madness features 10K, 50K, and 100K races on looped courses around Lake Perris. The event includes free lakeside camping for participants and their families. It offers long cut-off times and a community-focused, multi-lap race..