Trail Running calendar near Modesto 2025-2026

Run along the scenic Alameda Creek Trail at Quarry Lakes in Fremont with 5K, 10K, Half Marathon and kids distances on flat, well marked courses. Pre registered runners get shirts and all finishers earn medals; bring a water bottle.

Run scenic oak lined single track at Calero County Park with distances from a kids mile to 50K and options including marathon and multi loop courses. Well marked courses, aid stations and finisher medals make for a memorable day.

Run a scenic point to point trail half marathon along Folsom Lake, winding on single track through oak groves, grassy slopes and Sierra views. Expect technical sections, gentle rolling hills and shuttle service back to the start.

Run through towering redwoods at Sanborn Regional Park with half marathon, 10K and 5K options plus a remote runner choice. Expect scenic climbs, narrow single track trails, professional chip timing and custom finisher medals.

Celebrate the season with Placerville's Holiday Jingle & Mingle Run on the scenic El Dorado Trail, offering distances from a kids run to a half marathon. Enjoy oak lined views, festive fun, aid stations and a commemorative medal at the fini..

Run among redwoods at the Woodside Ramble in Huddart and Wunderlich parks. Multiple trail distances, small field atmosphere and cupless eco focus so bring your own bottle for a scenic, rugged trail day.

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.

Celebrate New Year’s Day with scenic loop races at Lake Chabot, from half marathon to 10K, 5K and remote options on rolling trail terrain. Enjoy free race photos and earn a New Year Mega Medal if you also ran Brazen New Year’s Eve.

Run scenic trails through Hacienda Hills at Almaden Quicksilver Park with distances for every level, from kids runs to ultramarathons. Take in Bay Area views, use on course aid and day of race registration, and earn a commemorative finisher..

Run scenic shoreline single track at Granite Beach with 12K and 5K options, then toast your effort with a custom IPA glass and locally brewed beer for participants 21 and over. Enjoy post race food and age group awards in a lively community..

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 or walk at Sycamore Island on Sunday, January 11, 2026 with 5k and 10k options over scenic single track and dirt roads. Support local river conservation while earning a custom finisher medal and event shirt.

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 and fern groves at Huddart Park at the Crystal Springs Trail Run on Sunday, January 18, 2026, with distances from a fun 8K and kids dash to challenging marathon and 50K ultras. Aid stations, custom medals and race suppor..

Run the Sweetwater Trail at Folsom Lake on Jan 24 with distances from kids run to 50K on mostly single track through oak woods and rolling hills. All finishers get a commemorative medal and aid stations support longer routes.

Enjoy scenic shoreline trails at Folsom Lake with the Gumby 5K or 10K on January 24, 2026. Expect a fun, challenging course on single track and groomed trails, plus finisher medals and pre order soft cotton shirts.

The Golden Gate Trail Classic will take place in San Francisco from Saturday 24 January 2026 to Sunday 25 January 2026. You can run between 15 and 50 miles.

Run along the San Francisco Bay at Coyote Hills Regional Park in Fremont with half marathon, 10K and 5K options plus a remote entry. Trails, boardwalks and paved paths make for a scenic, low climb course and walkers are welcome.

Run the 48th Jed Smith Ultra Classic on January 31, 2026 in Sacramento on scenic American River loops, with distances from half marathon to 50 miles. All runners get a long sleeve technical shirt and finishers receive a handcrafted wooden m..

Hit the trails at Hensley Lake in Raymond California this early February for a scenic 10 kilometer run and a full day of mountain bike racing. Choose from multiple mountain bike lap races for adults, a juniors event, and a kids ride.