Trail Running Calendar California 2026-2027

Experience the trails of Daley Ranch at The Ranch 50K and Half Marathon in Escondido. This SoCal Ultra Series event features challenging loops with significant elevation gain and fully stocked aid stations.

Run or walk along the San Francisco Bay starting from the San Leandro Marina. Choose from half marathon, 10K, or 5K distances with professional timing and custom finisher medals for all participants.

Support veteran causes at the Running For Warriors event in Clovis. Choose from a competitive 5k, fun runs, or a virtual option on the Clovis Old Town Trail. Age group awards are available for the 5k race.

Run through scenic orange groves and vineyards in San Diego County. This trail event features three distances with single track paths and a summit of Raptor Ridge before a local wine tasting at the finish line.

Experience the heights of San Pedro Valley Park with coastal views and various distances from 10K to 50K. This cupless trail race features significant elevation gain through rare coastal mountain habitats in Pacifica.

Experience a trail running event in Auburn featuring four major climbs and 6000 feet of elevation. Choose from distances ranging from 13km to 50km on a course with less than one mile of pavement.

Experience a point to point ultramarathon through the scenic California gold country. This trail race takes runners from Coloma to Folsom Lake while supporting type 1 diabetes research.

A trail running event at Sanborn County Park near Saratoga offering Kids, 1 Mile, 4 Mile, 8 Mile and Half Marathon distances on steep, mostly single track trails through mixed evergreen forest with multiple aid stations.

A looped running event at Will Rogers State Historic Park using a rolling two mile circuit. It offers 6 hour, 12 hour and 24 hour formats plus standard distances and relay plus crew and pacer options.

Experience a trail run across the forest and hills of Angel Island with views of San Francisco and the Golden Gate. Choose from multiple race distances including a youth dash and enjoy a picnic at Ayala Cove.

Point to point half marathon from Almaden Quicksilver County Park to the top of Mt. Umunhum, gaining about 4,767 feet. The course has aid stations and toilets, marked sections and a six hour time limit.

Experience a scenic Nordic ski race through the trails of Tahoe City with 26 km and 10 km loop options. Enjoy a finish line party with live music while supporting Tahoe Nordic Search and Rescue.

Experience the natural beauty of the California Central Coast at the Santa Barbara Nine Trails. This event features 35 mile and 17 mile trail runs organized according to national athletic standards.

The Catalina Island Marathon will take place in Avalon on Saturday 13 March 2027. You can run between 3 and 26 miles.

A multi-distance trail event on March 22, 2025 at Calero County Park in San Jose offering runs from a kids race to a 50K, single track and dirt-road courses, multiple aid stations, and per-distance time limits.

A spring trail race at Pueblo Day Use Area in Santa Teresa County Park on April 5, 2025 offering 5K, 10K, 10 Mile and a half marathon across marked, hilly trails with aid stations and a four hour half marathon limit.