California
California Trail Running Calendar 2026-2027
Explore the best trail runs in California for 2026-2027! Our updated list features 370 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
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 run from Saunders Park in Trinidad to Clam Beach State Park via redwood-lined roads and Moonstone Beach, finishing with a beach gathering of chili, music and a bonfire.
Trail run and hike options in Griffith Park with a Hollywood Sign viewpoint, chip timing, aid stations, finisher medals, and event shirts.
Trail races and a kids’ loop in Griffith Park on Jan 31, 2027, anchored by an 8-mile out-and-back to a Hollywood Sign viewpoint.
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.
Trail race at Almaden Quicksilver Park offering distances from a kids run to 50K, out-and-back courses with marked trails, aid stations, and summit routes to Mt Umunhum.
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.
Trail half marathon, flat shaded 5K, and a dog-friendly Top Dog Division in Griffith Park on February 6, 2027, with food trucks, expo, water stations, and on-course first aid.
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-mile trail race at Laguna Seca and Fort Ord National Monument with two loops, varied trail surfaces, multiple aid stations, and a 14.5 hour time limit.
Trail races on February 6, 2027 around Big Dalton Campground, featuring a 50K solo, a 50K four person relay, and a 10K loop.
Trail races in the Santa Monica Mountains featuring a half-marathon and a 7k with creek crossings, single-track climbs, ocean views, and post-race amenities on February 7, 2026.
Elevate Race in Santa Maria features a campus loop with a 5k and a 12 Hour timed event that supports a church missions project.
Trail race at Daley Ranch in Escondido offering a 50K two loop course with 6,318 ft total gain and a 13.1 mile loop, three aid stations, and SoCal Ultra Series qualification.
Trail race in El Dorado Hills with 5K, 10K, 8M and half marathon on mostly single track rolling trails near Folsom Lake, featuring aid stations and a creek crossing.
Valentine's Day trail races at Griffith Park with 5k, 10k, 15k and half marathon options on marked dirt horse trails, aid station, medals and event photos.
Scenic trail race in San Pasqual Valley with 20 mile, half marathon and 10K options on dirt single track and a free local wine tasting at the finish.