Trail Running Calendar California 2026-2027

Run rolling trails at Debs Park in the 4 Mile Hill Challenge, with a scenic 4 mile route, a spirited 2K youth climb and a green earth celebration. Note the event is currently listed as postponed.

Join the Wild Goose Chase at Lime Ridge in Walnut Creek for a map based trail adventure through oaks, quarries, and rock labyrinths. Choose 5K or 10K and navigate an unmarked course to find checkpoints, then enjoy post race treats.

Run scenic Salmon Falls trails in the 50K Endurance Run with 50K and half marathon options and a Browns Ravine finish. Proceeds benefit Breakthrough T1D and finishers get a local medal and a half zip pullover.

Challenge yourself at Sycamore Canyon in Poway CA on Feb 28, 2026 with looped 100K and 50K ultradistance options plus a half marathon at Goodman Ranch Preserve. Solo and 4 person relay entries available for the ultras.

Explore scenic fire roads and foothill trails at Tejon Ranch with sweeping Tehachapi views and chances to spot elk, deer or raptors. Distances from 11k to 100k, plus camping and a lively finish festival with food and beer.

Ranch to Ranch brings you rugged single track trails between working ranches in scenic Japatul Valley, with distances from a fun kids 2K to a challenging 15K. Enjoy a lively ranch vibe, team competition, and sweet swag including long sleeve..

Pick a scenic 6K or adventurous 12K through Panorama Vista Preserve along the Kern River with flat fast stretches and bluff climbs. Chip timing, custom shirt and finisher medal plus pancakes and raffles make this a fun community run.

Tackle scenic, hilly trails on Angel Island in Tiburon with 5, 10, and 15 mile courses plus a free 50 yard kids run for ages 6 and under. Expect single track climbs, stunning views, ferry access, medals and stocked aid stations.

Way Too Cool in Cool, California brings scenic 50K and 10 mile trail runs over rolling hills and creek crossings. Enjoy stocked aid stations, a handcrafted finisher medallion, and post race tacos with a beer garden.

Skyline Ridge Trail Run and Hike in La Honda CA offers 50K, 21K and 10K routes across scenic ridges and forests, with hikers welcome on the shorter courses. This fundraiser sends 100% of entry fees to Bay Area Ridge Trail; register by Mar 6..

Run the scenic San Joaquin River Trail in foothill single track for a challenging half marathon or 10K, with rugged climbs, sweeping views, and finishers medals and shirts. Enjoy aid stations along the route and post race refreshments.

Run the Sanger Blossom Trail Run on March 7 for a flat, scenic course through downtown Sanger and blooming orchards. Choose from a 10K, shorter runs and walks for all ages and enjoy a family friendly community event held rain or shine.

Join the Greater Sacramento Area Polar Plunge & Runs for a chilly community plunge and scenic runs. Pick a timed 5K trail or a 1 Mile fun run, fundraise for Special Olympics Northern California and even register as a 'chicken' to stay dry.

Run through an active limestone quarry at the Cemex Quarry Quest 5K in Rialto, where rugged terrain and towering industrial equipment create a thrilling backdrop. Enjoy a memorable race while supporting cancer awareness and fundraising.

Run the Tesoro Viejo Spring Classic in Madera with half marathon, 10k, 5k or virtual options along tree lined trails and rolling hills. Finishers get a tech shirt and custom medal, plus a festival with live music and local treats.

Run 50K, marathon, or half marathon in Anza Borrego Desert State Park, starting and finishing at Stagecoach Trails RV Resort. Sandy jeep roads and singletrack deliver stunning desert scenery and a SoCal Ultra Series qualifier.

Experience Tierra Redonda Mountain Trail Run and Camp in Bradley, CA where trail running meets camping under the Central Coast skies. Choose timed ultrarunning challenges or shorter 5 km and 10 km routes with AllWeDoIsRun support.

Tackle 50K of scenic trail in the Sierra Nevada foothills at Ruck a Chuck in Foresthill, California on March 14, 2026. Portions of the Western States Trail add historic charm and well stocked aid stations will keep you moving.

Run Catalina Island Marathon, 10K and 5K on March 14, 2026 along scenic trails with ocean views and rolling hills. Join the 48th annual event and California State Off Road Marathon Championship in Avalon.

Run through iconic Marin Headlands, Mt Tamalpais and Muir Woods in this scenic trail ultramarathon with 50 Mile and 50K options showcasing coastal views and big climbs. Expect technical single track, steep climbs and unforgettable scenery.