Trail Running Calendar California 2026-2027

A trail run at La Cuesta Ranch near San Luis Obispo offering 10 km, 20 km, and 30 km looped courses on dirt trails with aid stations, finisher awards, and onsite camping and parking options.

Run scenic single track trails along Folsom Lake with distances for every runner from a 1 mile kids run to a 50K. Commemorative medals for finishers, aid stations, and on site EMT support create a welcoming day on the trails.

Hit the scenic shoreline trails at Granite Beach for the Gumby 5K or 10K, with single track, groomed sections and pavement for a fun, varied run. All finishers get custom Gumby and Pokey medals to celebrate your effort.

Take on twisty dirt trails and big climbs around Montara Mountain at San Pedro Valley Park. Choose 10K, half marathon or 30K with aid stations, cupless racing and finisher medals for all.

A two day trail event in San Francisco that crosses the Golden Gate Bridge and runs the Marin Headlands. Multiple distances from 15K to 50 mile are offered and the event serves as the final stop of the Spartan Trail World Championship.

Run rugged trails through the restored Calico Ghost Town and Calico Mountains in a scenic 30K or 50K. USATF sanctioned, it blends Mojave Desert history with off road trails and runs Jan 25, 2026.

Run or hike to the iconic Hollywood Sign through scenic Griffith Park, with 8M, 8K, 5K and a kids 2.2K option. Enjoy skyline views, chip timing, finisher medal and post race refreshments in a true LA outdoor experience.

Run or hike through Griffith Park to the iconic Hollywood Sign on out and back courses ranging from a kids run to 8 miles. Enjoy skyline views, chip timing, aid stations and a finisher medal.

Run the scenic Sean O'Brien Trail Races in Calabasas on January 31, 2026, with distances for every trail runner. The 100K is a Western States 100 qualifier, and options from 30K to 50 Miler promise challenge and community.

Runs at Coyote Hills Regional Park in Fremont, California on January 31, 2026. Courses include a half marathon, 10K and 5K over dirt, pavement and marsh boardwalks with bay views.

Run the 48th Jed Smith Ultra Classic in Sacramento Jan 31, 2026 and tackle courses from half marathon to 50 miles on scenic American River Parkway loops. Finishers receive a long sleeve technical shirt and a hand crafted wooden medal.

Hit singletrack trails around scenic Hensley Lake with a challenging 10k trail run and multiple mountain bike races featuring technical rock gardens and varied climbs. Participants receive custom event shirts and medals for the main 10k and..

Test your legs on scenic Sierra Azul trails at Mt Umunhum Trail Conquest Winter, with distances from a kids run to 50K and routes that summit Mt Umunhum and Bald Mountain. Finishers earn commemorative medals and aid stations keep you fueled..

Run scenic backcountry trails at Boney Mountain Trail Run in Newbury Park on February 7, 2026, with half marathon and 7k options. Expect rugged single track, ocean views, creek crossings and lively post race festival with tacos and awards.

Escape from Folsom Trail Runs at Granite Beach on Feb 7, 2026 features scenic 10 mile and 5K courses along Folsom Lake. Expect rugged trails, on course aid and every finisher receives a custom medal.

Take on scenic trails at Fort Ord National Monument with 10K, 25K, and 50K options featuring rolling dirt trails and late course climbs. Enjoy marked routes, aid stations, and custom finisher medals in a friendly, seaside trail running atmo..

Run the Monterey Ultra 50 Miler at Fort Ord and Laguna Seca, a scenic two loop test across coastal trails and varied terrain. Aid stations keep you fueled and every finisher earns a custom medal and hat.

Scenic Boney Mountain trail run in Thousand Oaks offers challenging half marathon or 7k routes with creek crossings, single track climbs and ocean views. Enjoy race shirts, medals, free photos, vegan breakfast and a $500 course bonus.

Run the stunning coastal trails around Rodeo Beach at the Golden Gate Trail Run, with distances from 8K to 50K to suit all levels. Expect rugged singletrack, stocked aid stations, generous finisher medals, and unforgettable views.

Join the JW House Hope Run in Los Gatos for scenic 5K and 10K routes around Vasona Lake, perfect for runners, walkers and strollers. Proceeds support JW House to help keep families together during medical emergencies.