Trail Running Calendar California 2025-2026

Run the Wild Wild West Marathon & Ultra in Lone Pine CA across the Alabama Hills and Mt Whitney foothills, with distances from 10 miles to a 50 mile ultra. Celebrating 46 years, this community run offers classic alpine views.

Run scenic vineyard trails at Orfila Vineyards in Escondido on May 2, 2026 and celebrate with a private post race wine tasting. Choose 3, 6 or 9 mile laps, enjoy food trucks, a finisher medal and limited registration for 400 runners.

Join Tails & Trails on May 3, 2026 in Windsor, CA for a charitable walk and run supporting Dogwood Animal Rescue. Choose a 5K, the family friendly Dogwood Dash, or participate virtually while helping animals in need.

Join Angwin to Angwish, a scenic trail run through Pacific Union College woods with 26K, 10K and a 1 Mile Kids Run for ages 7 to 12. Family friendly, cupless event with race day check in and proceeds benefiting PUC Athletics.

Experience towering redwoods and coastal views at the 36th Stinson Beach Muir Woods Trail Run on May 9, 2026. Choose marathon, half, or 7 mile routes in an intimate field of 300 for a scenic, rugged adventure with T shirts and medals.

Join the Waves & Whales 5K in Point Arena for a scenic coastal loop along bluffs and forest. All ages welcome and proceeds benefit a youth conservation program, with participants receiving an organic cotton tee and snacks.

Run the scenic Berkeley hills from Lake Anza in Tilden Park with distances from 10K to a rugged 50K, plus a free kids dash. Register early for a tee, all finishers get a custom medal, and parking is free.

Run scenic single track through towering pines and wildflower meadows at Paiute Meadows Trail Run in Susanville, with options from a kids 1 mile to a rugged 50K. Enjoy climbs, water crossings and lively trail community.

Join the Race for Open Space on May 9, 2026 in Carmel By The Sea, a scenic trail fundraiser supporting Big Sur Land Trust and access to Monterey County parks. Pick a distance from a fun mile to a rugged 35k plus and enjoy marked trails.

Run the Sasquatch Trail Run in Woodlake CA on May 9, 2026 with competitive, fun and virtual 5k options plus a kids race. Scenic 3.16 mile course has river crossings, finisher shirt and medal and benefits Dry Creek Preserve.

Tackle scenic hilly trails at the Quicksilver Endurance Runs on May 9 in Almaden Quicksilver Park. Choose 50K or Western States qualifying 100K, enjoy stocked aid stations and a post race BBQ while supporting youth and trail nonprofits.

Join the Wine Half Marathon in Napa Valley on May 9, 2026, a 13.1 mile route through vineyards from Rutherford to Yountville. Founded by four French American wine professionals, the race blends warm hospitality, surprises, and scenic trails..

Join Trailquake 2026 on May 10 at Sanborn Park in Saratoga for scenic trail runs along the San Andreas Trail through towering redwoods and pines. Half marathon, 10K, 5K and remote options welcome walkers, hikers and runners of all levels.

Hit rugged singletrack at the Napa Wilderness Trail Runs in Skyline Wilderness Park, with 10K, 21K, 30K and 50K options. Expect steep climbs, sweeping valley views, spaced aid stations and a true backcountry trail experience.

Celebrate the 15th anniversary of Run for Amma, a charity trail race at Skyline Ridge Open Space Preserve in Los Gatos supporting UCSF cancer research. Choose 50K, 30K or 10K routes on scenic trails and help fund lifesaving research.

Run Napa's Rim Rock 50, a rugged two loop trail challenge with solo and two person relay options. Camp at Skyline Wilderness Park and refill at cupless aid stations while enjoying scenic wildland views.

Join AllWeDoIsRun for scenic trail events across central California with distances from 5K to 100 mile and multi day endurance options. ATRA and RRCA standards guarantee a quality race experience for ultrarunners and trail fans.

Run the O'Neill Park Trail Races on Saturday May 16 2026 in Trabuco Canyon with distances from 10k to 50k through oak and sycamore canyons. Scenic singletrack, rolling climbs and coastal scrub create a memorable trail race experience.

Experience the rugged beauty of the Eastern Sierra at the Bishop High Sierra Ultras in Bishop, CA on May 16, 2026. Multiple distances to 100K traverse high altitude roads and trails with aid station support and a custom finisher medallion.

Join Wildcat 2026 on May 16 in El Sobrante for scenic half, 10K, 5K and remote run options that boast 360 degree views of the Bay Area. Run for fun or support the East Bay Regional Parks Campership Program.