Trail Running calendar near Fairfield 2025-2026

Enjoy Bay Area views and varied singletrack at Hacienda Hills Trail Run Winter near San Jose on Jan 3, 2026. Choose from nine distances up to 50K, enjoy marked courses, aid stations and a finisher medal.

Enjoy scenic shore side trail runs at Granite Beach with two distances to choose from and stunning Folsom Lake views. Finish with a locally brewed IPA for 21 and over, a custom IPA Trail Run glass and a hearty post race meal.

Tackle scenic Western States trails at the No Hands Trail Run in Auburn, California on January 10, 2026, with four distances from an uphill 8K to a rugged 50K. Expect technical singletrack, No Hands Bridge views, and hearty aid stations.

Join Hope in Every Step 5K in Modesto, California on January 10, 2026 for a scenic run and walk along the Tuolumne River Parkway trails. Enjoy community vibes, teal race shirts, and friendly competition with awards for top finishers.

Run through towering redwoods and fern filled trails at Huddart Park with distances from 8K to 50K plus a free kids run. Well stocked aid stations and scenic single track make this a perfect challenge for trail lovers.

Run through redwood lined trails at Huddart Park in the Crystal Springs Trail Run, with distances from 8K to 50K plus a free kids sprint. Enjoy scenic single track, frequent aid stations and a commemorative finisher medal.

Run scenic single track along Folsom Lake under oak trees with gently rolling hills and a creek crossing. Distances from 1 mile to 50K, race day registration on site, and every finisher earns a commemorative medal.

Run a scenic trail 10K or 5K along the shores of Folsom Lake at Granite Beach on January 24, 2026. Well marked and supported, the course features aid stations and beautiful lake views to motivate runners of every level.

Run the scenic, technical trails of Montara Mountain at the Pacifica Foothills Trail Run in San Pedro Valley Park, with 30K, half marathon and 10K options for all abilities. Full aid stations and sweeping coastal views make this a must for..

Scenic bay shoreline run at Coyote Hills Regional Park on January 31, 2026. Choose 5K, 10K, half marathon or virtual; walkers and hikers are welcome on easy, mostly flat trails and boardwalks.

Jed Smith Ultra Classic in Sacramento on January 31, 2026 offers scenic looped courses along the American River Parkway with distances from 50 miles to the half marathon. Entrants receive a shirt and finishers a handcrafted wooden medal.

Run scenic, rugged trails around Mt. Umunhum at Almaden Quicksilver Park with distances from a mile and kids run up to 50K. Clearly marked courses, aid stations and medals for all finishers make this winter trail event welcoming to all.

Run scenic trails along Folsom Lake surrounded by wildflowers at the Escape from Folsom Trail Runs, offering a 10 mile and a 5K on Feb 7 2026. Aid stations, finisher medals and age group awards make it great for racers and fun runners alike..

Run scenic coastal trails in the Marin Headlands at the Golden Gate Trail Run in Sausalito offering distances from 8K to 50K plus a kids dash. Expect rugged views, stocked aid stations and finisher medals for all.

Enjoy the Bay Breeze at San Leandro Marina Park on Feb 14, 2026, with half marathon, 10K and 5K on a scenic flat bayside trail. All finishers get custom shirts and medals, with chip timing, aid stations and a remote option.

Explore scenic Sierra Nevada foothill trails near Auburn, CA with FOURmidable races offering 50K, 35.5K, half marathon and 13K options on Saturday Feb 21, 2026. Runner focused prize money and course record bonuses add extra incentive.

On February 21, 2026, take on scenic singletrack and fire road loops at Lake Chabot with distances from 5K to 50K for runners of all abilities. Well stocked aid stations and professional timing make this a welcoming, small field trail chall..

Run the Lost Trail 5K or Half Marathon at Granite Beach, Folsom Lake, enjoying lake views and wildflowers along well marked trails. Friendly aid stations and a scenic course make this a great early season challenge.

Experience coastal single track and sweeping Pacific views at the Montara Mountain Trail Run in Pacifica, with distances from 10K to 50K to challenge every trail runner. Pre registered runners get shirts and all finishers earn custom medals..

The Salmon Falls 50K Endurance Run is a challenging trail race set in the scenic foothills of Sacramento, California. This ultra-distance event starts at the Magnolia Ranch Trail Head near Coloma and features a stunning course that traverse..