California
California Trail Running Calendar 2026-2027
Explore the best trail runs in California for 2026-2027! Our updated list features 389 exciting trail runs across the region. Find your next trail run in California below and join the trail community at these great events!
February 2027
Experience scenic lake views and wildflowers at Granite Beach during this trail event featuring a half marathon and 5K. Enjoy well stocked aid stations and earn a finisher medal on the trails of Folsom Lake.
Celebrate the Chinese New Year with a self-supported 51 mile trail run through the scenic canyons and parks of San Diego.
Trail races from 5K to 50K through eucalyptus forests and lakeside trails at Lake Chabot Regional Park near Castro Valley, CA.
A night trail relay in Griffith Park where teams of two alternate on a one mile loop, using headlamps and handing off a baton at a marked exchange.
A point to point 50 kilometer trail ultramarathon in the Sacramento foothills, running mostly on Cronan Ranch area trails from Magnolia Ranch Trail Head to Folsom Lake. A new half marathon distance has been added and proceeds support Breakthrough T1D..
Trail runs in Sanborn County Park near Saratoga with Kids, 1 Mile, 4 Mile, 8 Mile and Half Marathon options on mostly single track forest trails.
Trail races at Will Rogers State Historic Park offering looped distance and timed options on a rolling two mile course in Pacific Palisades.
Loop trail races at Goodman Ranch Sycamore Canyon Preserve near San Diego offering 100K, 50K and half marathon distances, with solo and 4-person relay options.
Multi-distance trail races on private Tejon Ranch near Lebec CA featuring 100k, 50k, 25k and 11k courses, marked routes, aid stations and a finish festival.
Multiple trail distances on single-track routes near Folsom Lake with aid stations, drop bags, creek crossing, and parking at Falcon Crest.
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.
A family friendly run and walk in Valencia CA featuring 1K, 5K and 10K options plus virtual races. The USATF certified course runs along the South Fork River Trail and proceeds support Students Off And Running with an expo and festive activities.
March 2027
Point to point half marathon from the Hacienda Entrance up to Mt Umunhum with 4,767 feet of ascent, marked aid stations, drop bag service and shuttle transport back to the start.
Trail runs at Granite Beach and Auburn Overlook Park offering 31K, 10K and 5K distances, finisher medals for all and a custom long sleeve hoodie for 31K finishers. Aid stations, post race food and a limited shuttle for 31K runners are provided.
Trail event in Cool, CA on March 6, 2027 offering the 37th Way Too Cool 50K and a second-year 10-mile course with on-course aid and post-race amenities.
Nordic ski event in Tahoe City on March 7, 2027 offering 26 km and 10 km loops, fundraising for Tahoe Nordic Search & Rescue with a finish-line party and awards.
A multi-distance trail and road event in Middletown, CA on March 7, 2027, featuring a steep observatory climb, on-course aid, camping, and charity support.
A March 7, 2027 race in Madera offering a half marathon, 10K, 5K and a virtual run through trails and wetland preserves.
Santa Barbara Nine Trails is a trail running event in Santa Barbara, CA on March 13, 2027, offering 35 mile and 17 mile race options organized by AllWeDoIsRun.
A series of road and trail races on Catalina Island around Avalon and Two Harbors, including a 26.2-mile trail marathon, 10K, 5K and a 1K kids run with island and ocean views.