Trail Running Calendar California 2026-2027

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.

AllWeDoIsRun hosts trail events across the Central Coast, from scenic 10 km and 30 km races to multi day ultramarathons, ride and tie contests, and run and raft adventure days. Expect rugged trails and a spirited community.

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.

Take on scenic singletrack through Las Virgenes Canyon in Calabasas with creek crossings, switchbacks, and expansive views. Choose a challenging 22k or a fun 10k and enjoy a local finisher medal, hot coffee, and race day photos.

Take on Santa Barbara Nine Trails, a rugged 35 mile out and back with steep, rocky terrain and over 10,000 feet of climbing. Remote stretches, aid stations and sweeping coastal views make it a tough but rewarding day.

Challenge yourself on the scenic, technical trails of China Camp State Park with 5K, 10K and Half Marathon options March 13 to 16, 2026. Live and virtual entries available with registration price rising after Dec 31, 2025.

Test your endurance at Pirate's Cove, a timed run and hike at scenic Lake Cuyamaca with 6, 12 and 24 hour options. Cupless event with campground HQ and camping; bring your own cup or buy a souvenir. Military and veteran discounts available.

Big Alta is a three day trail running festival in Marin County with summit routes and stunning San Francisco Bay views. Choose from 28K, 50K or a point to point 100K, all with live timing and stocked aid stations.

Rattlesnake Dick is a scenic, challenging trail race in Cool California on March 21 2026 with 50K 25K and 10K options and significant elevation gain. All entrants get a North Fork Clothing race shirt and finishers earn weighted medallions w..

A trail running event in Valencia, California on March 21, 2026 offering 10K, half marathon and 50K routes over singletrack and mountain roads with significant elevation gain, timed results, aid stations, and finisher medals.