Trail Running Calendar California 2026-2027

The inaugural Fullerton Fit 5K Trail Run offers a scenic dirt trail course through the Brea Dam area. The event also includes a Health & Wellness Fair with local vendors and food trucks. Registration includes a shirt, medal, and other race..

Join the free Dirt Circus community festival in San Francisco for a social trail run, a pancake breakfast, and a raffle. Meet local race directors and brands, and enjoy the circus vibe with costumes encouraged. The event starts with group r..

Experience a beautiful 10km loop through the rolling hills and oak groves of the Auburn State Recreation Area. This scenic trail run features canyon crossings and views of the American River Canyon with full aid station support.

The Cool Summer Night Run will take place in Cool on Saturday 6 June 2026. You can run 10 kilometers.

Explore the trails of iconic Griffith Park in this event featuring a team marathon relay and an 8K. Run past landmarks like the Hollywood Sign and the old LA Zoo. All finishers get a medal, and the relay includes team prizes.

A trail event in Castro Valley on June 7, 2026 offering a chip timed half marathon and 5K with on-course water, first aid support, guaranteed t-shirts for early registrants, and age division awards.

The Tahoe 200 is a 200-mile journey around Lake Tahoe on the Tahoe Rim Trail. The course explores forests, meadows, and ridges. It is a qualifying race for Hardrock 100 and Western States.

The 30th annual Holcomb Valley Trail Run returns to Big Bear Lake in June 2026. The weekend features a multi-day stage race and single-day distances from 5 to 33 miles on mountain trails. Registration opens in January with early bird pricin..

Experience a point to point 100 mile ultramarathon from UC Berkeley to Oakland. This trail race features 18,000 feet of elevation gain through redwood forests and scenic ridgelines with expansive California views.

The Cool Moon Trail Races offer six distances from 5K to 100K on scenic, well-marked loops near Cool, California. The event spans two days, with live tracking and multiple aid stations on course. All finishers receive a medal and shirt, wit..

Run 100 miles on a looped course through Northern California trails. The event has a 37-hour cutoff and multiple aid stations. Finishers earn a handcrafted silver buckle.

Run the Olympic Valley Half Marathon, 8 Miler, or 5K on a fast, flat course starting at the historic 1960 Winter Olympics site. The scenic out-and-back route follows paved trails along the Truckee River. All participants receive a t-shirt,..

Event Overview The Summer Grand Prix is a series of four 5 km races held on Saturdays throughout the summer of 2026. All events take place at Panorama Vista Preserve in Bakersfield, California. Race Details The series consists of four indiv..

Experience the scenic trails of Lagoon Valley Park at The Pena Passage. Choose from 30K, 10K, or 5K distances featuring rolling hills and oak groves in a natural setting.

Experience a scenic 5K or 10K run or walk through the flat dirt trails and green hills of Henry W. Coe State Park in Gilroy.

The Old Zoo Half Marathon offers a half marathon and a 12K on scenic, flat trails starting at the historic Old LA Zoo. Runners receive a unique elephant finisher medal and other amenities. Early registration is advised as space is limited.

Event Overview The Broken Arrow Skyrace is a four-day mountain running event held at the Palisades Tahoe ski resort near Lake Tahoe, California. It is a multi-distance event inspired by classic European Skyraces. Distances The event feature..

The Burney Mountain 100 is a 100-mile ultrarunning event set in the Lassen National Forest for June 2026. Registration is open, with free entry offered to Indigenous runners. It operates under a special use permit on forest and industry lan..

The Orange Curtain Endurance Run in Cerritos offers a weekend of diverse distances, from a 10K to 100K and timed events. The flat, certified course on a bike path is a Boston qualifier for the marathon. The event features multiple aid stati..

Race through the historic landscape of Black Mountain, an ancient volcano in San Diego. The event offers 50K, 25K, and half marathon distances on technical single-track and jeep trails featuring significant elevation gain.