California
California Trail Running Calendar 2026-2027
Explore the best trail runs in California for 2026-2027! Our updated list features 387 exciting trail runs across the region. Find your next trail run in California below and join the trail community at these great events!
January 2027
Trail races in Pacifica on twisty single-track with 10K, half marathon, and 30K options, chip timing, substantial elevation, and cupless aid stations.
Trail races at Lake Hodges in Escondido with 50K, half marathon, 10K and 5K on dirt singletrack and service roads plus a three-race DemiGod challenge.
Trail races of 30K and 50K through the historic Calico Ghost Town and Calico Mountains on Sunday, January 24, 2027.
A 24 hour trail race in Perris, CA on January 29, 2027 featuring a 7 mile loop with 1,631 ft of climb and both individual and four person team options.
A mixed-surface running event at Coyote Hills Regional Park offering a half marathon, 10K, and 5K with updated courses, GPX files, and stocked aid stations.
Multiple trail distances from 30K to 100K at Malibu Creek State Park in the Santa Monica Mountains; clearly marked singletrack and fire road courses, runners must carry their own hydration.
Trail running event at Whittier Narrows Nature Center on January 30, 2027, featuring 10K, 5K and a kids dash with finisher medals.
A 5.75 mile coastal run from Saunders Park in Trinidad across Moonstone Beach to Clam Beach, followed by a beach gathering with chili, music and a bonfire.
Multi distance trail run and hike in Griffith Park with an out and back to the Hollywood Sign viewpoint, chip timing, aid stations, and finisher awards.
A trail event in Griffith Park with multiple distances, featuring an out and back 8 mile route to the Hollywood Sign viewpoint, aid stations, chip timing, and finisher medals.
Experience the scenic foothills of Auburn with trail races featuring single track paths, canyon views, and a stroller friendly course option at Overlook Park.
February 2027
Experience the coastal beauty of the Marin Headlands at the Golden Gate Trail Run. Choose from distances ranging from a 50K trail race to a fun kids dash with views of the Golden Gate Bridge and San Francisco.
Experience a winter run through the technical terrain of the Red Hills Recreation Area in the Sierra Foothills. Choose between six or twelve mile distances featuring water crossings and muddy trails in a scenic natural environment.
Escape from Folsom on February 6, 2027 at Granite Beach offers a 10 mile and a 5K on scenic trails beside Folsom Lake. Aid stations supply water and fuel and every finisher receives a custom medal.
A looped USATF certified ultra on February 6, 2027 in Sacramento offering distances from 50 miles to a half marathon along the American River Parkway.
A half marathon, flat shaded 5K, and a dog-friendly Top Dog race through Griffith Park with medals, food trucks, and on-course water stations.
Two-day trail event at Fort Ord National Monument near Monterey offering 50K, 25K and 10K courses with aid stations, cupless policy, and an 8.5 hour time limit.
A 50.7 mile trail ultramarathon at Fort Ord with varied terrain, a 35 mile and 15 mile loop, marked aid stations, cupless support, and live tracking.
Trail races on February 6, 2027 around Big Dalton Campground, featuring a 50K solo, a 50K four person relay, and a 10K loop.