Trail Running Calendar California 2026-2027

The Zoom Angel Island will take place in Tiburon on Sunday 1 March 2026.

A 5K snowshoe walk and race at Camp Richardson in South Lake Tahoe on March 1, 2026. The machine groomed course crosses forest and mountain meadows and the event benefits Metavivor, a metastatic breast cancer organization.

The Great Ski Race features 26 km and 10 km Nordic ski loops from Tahoe City's Cross Country Center. This fundraiser supports the volunteer Tahoe Nordic Search & Rescue team. A finish line party with food and music follows the skiing.

Experience an iconic trail run through the rolling hills and creek crossings of Northern California. Participants can choose between a classic 50 km ultramarathon or a 10 mile trail race ending with signature post race treats.

Explore the Santa Cruz Mountains on this trail run fundraiser. Choose from 10K, 21K, or 50K distances through scenic ridge preserves. Your entry fully supports the Bay Area Ridge Trail.

This trail run in the San Joaquin River Gorge offers a Half Marathon and a 10K on rugged single track. The Half Marathon climbs about 2500 feet. All finishers get a custom medal and shirt, with awards for top finishers.

The Sanger Blossom Trail Run offers a flat 10k course through Sanger's downtown and blossom-filled outskirts. The event features races for all ages, including kids' runs and a non-competitive walk. It takes place rain or shine in early Marc..

This event combines a scenic 5K trail run or a one-mile fun run/walk with a Polar Plunge fundraiser. The runs take place before participants brave the waters at Granite Bay Main Beach to support Special Olympics Northern California.

Run a 5K through the unique setting of an active rock quarry in Rialto. The course offers views of massive machinery and limestone terrain. All proceeds benefit local school STEM programs.

General Information The Terrible, Horrible, No Good, Very Bad Day is an unofficial, non-organized trail run on March 7, 2026. It offers three distance options: 50K (32 miles) with approximately 10,900 feet of elevation gain. 18 Miler (30K)..

Join a free, social trail run in Newport Coast's wilderness parks. The non-competitive route changes each time, with this session covering about 6.5 miles. Stick around afterwards for snacks and a raffle.

Run through scenic trails and tree-lined lanes in Madera at the Tesoro Viejo Spring Classic. Choose from a half marathon, 10k, 5k, or virtual race. Enjoy a festive finish with live music, local treats, and wine tasting.

Experience the trails of China Camp State Park with a 5K, 10K, or half marathon featuring technical terrain and custom finisher awards. Choose between the live spring event or a flexible virtual option.

Run through the scenic and historic trails of Anza Borrego Desert State Park. Choose from a 50K, marathon, or half marathon, starting and finishing at the Stagecoach Trails RV Resort. This is the event's ninth year.

The Santa Barbara Nine Trails is a trail run event on March 14, 2026, featuring 35-mile and 17-mile distances. It takes place in Santa Barbara, California. Registration is handled via an online platform, with a detailed runner guide availab..

Event Overview The Ruck a Chuck 50K is a trail running event on the Western States Trail near Foresthill, California. The course is an out-and-back route starting at the Drivers Flat staging area and heading towards Foresthill. The route co..

This iconic trail running weekend on Catalina Island features California's official off-road marathon championship. Choose from a marathon, 10K, 5K, or a kids run, all set against a backdrop of ocean views and conservancy trails. The 2026 e..

Course and Location The Marin Ultra Challenge (MUC) is a trail race taking place in Marin County. The 11th edition of the event will be held on Saturday, March 14, 2026. The journey starts on Rodeo Beach and the courses traverse the Marin H..

The Singletrack Stampede is a 22k and 10k trail run through the scenic Las Virgenes Canyon near Calabasas. Runners navigate a cross-country course with switchbacks, creek crossings, and expansive views. The event includes a finisher medal,..

Course Overview The Santa Barbara Nine Trails 35 Mile Endurance Run is a point-to-point course that covers much of the Santa Barbara front country trail system. The route starts at the Jesusita Trailhead on San Roque Road and goes to the Ro..