Trail Running calendar near San Jose 2025-2026

We have found 62 Trailruns within 80 miles of San Jose. See below where and when you can find the races.

Hit the trails along the Stanislaus River at the Ripon Turkey Trail Run, offering 5K, 10K and half marathon options for all levels. Enjoy a custom tech shirt, finisher medal and post race refreshments in a scenic park setting.

The Golden Gate Trail Classic will take place in San Francisco from Saturday 22 November 2025 to Sunday 23 November 2025. You can run between 15 and 50 miles.

Celebrate Thanksgiving at the Zoom Turkey Trot in San Jose at Hellyer Park with a USATF certified half, 10K, 5K and kids runs, plus t shirts and finisher medals. Flat, fast courses and stocked aid stations welcome all abilities.

Celebrate Thanksgiving at the Moraga Turkey Trot, a friendly 5K or 1.5 mile run or walk on the Moraga Country Club cart path. Advance registration is required, proceeds benefit the food bank and participants get a tee, bib and prize chances..

Join the Quarry Turkey at Quarry Lakes on November 29 for a fast, mostly flat trail 5K, 10K or half marathon with a free kids sprint and family friendly Thanksgiving costumes encouraged. Proceeds benefit Alameda County Community Food Bank.

December 2025

Run Krampus Cross Country in San Francisco live on Dec 7 or virtually Dec 5 to 8 with 5K 10K and the Naughty Nine Miler. All entrants get a wooden woodallion a Krampus tee and a beer sampler stein plus a brewfest on Dec 5.

Run from a 50 yard kids dash to a full marathon along flat, scenic Alameda Creek trails at Quarry Lakes. Shirts for pre registered runners and custom medals for all finishers make this a fun family friendly race day.

Tackle scenic singletrack and dirt at Calero County Park in the Calero Trail Run Winter, with distances from a kids mile to a 50K. Expect rolling hills, oak vistas, aid stations, a finishers medal and race day registration.

Peacock Gap Trail Run offers three scenic trail distances through China Camp and Harry Barbier parks near San Rafael. Expect technical singletrack, big views and well stocked aid stations; bring your own bottle or reusable cup for this cupl..

Run the iconic Hunter S. Thompson Fear & Loathing in San Francisco on December 7, a free grassroots single loop that winds past city landmarks and finishes at Twin Peaks. Choose 50 mile or 50K distances and help support Shoes For Runners.

Run through redwood groves on winding single track trails in the Santa Cruz Mountains at Summit Rock, a scenic trail race just outside Silicon Valley. Half marathon, 10K and 5K distances welcome walkers and hikers with a separate hiker star..

Run a scenic, challenging loop around Angel Island with sweeping views of the Golden Gate, Alcatraz and San Francisco. Choose the half marathon or 10K and ride the chartered ferry to this intimate 400 runner event.

Take on the Woodside Ramble at Huddart County Park on Dec 20 2025 with distances from 10K to 50K across scenic redwood and ridgeline trails with big climbs. Technical trail, generous aid stations and custom finisher medals.

Ring out the year with Almost New Year's Eve at scenic Lake Chabot in Castro Valley on 12/27/25. Trail routes for runners, walkers and hikers include 5K, 10K and half marathon distances with free post race photos.

January 2026

Start the year on scenic Lake Chabot trails with Brazen New Year's Day, offering half marathon, 10K, 5K and virtual options with timed results and free photos. Celebrate challenging trail miles and earn a commemorative medal.

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.

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.

Take on scenic, well marked trails at Huddart Park with distances from 8K to 50K plus a free kids dash. Stocked aid stations, custom finisher medals and challenging climbs make this a rewarding trail day for all abilities.

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 coastal trails at the Pacifica Foothills Trail Run in San Pedro Valley Park, featuring 30K, half marathon and 10K options on twisty single track with big views. Expect rugged terrain, aid stations, and a friendly trail atmosphere..