Trail Running Calendar California 2025-2026

Kick off 2026 on the trails around scenic Lake Chabot with a challenging half marathon, 10K, 5K or remote option. Run both Brazen New Year's Eve and New Year's Day to earn the New Year Mega Medal.

Kick off the New Year on the trails at Auburn Resolution Run in Overlook Park on January 1, 2026. Choose 5k, 10k, 10 mile or run virtually and bring home a 2026 finisher medal.

Ring in 2026 with the Happy New Year Run at West Creek Park in Valencia, CA. Choose from 5k, 10k, 15k or half marathon on scenic looped trails, enjoy finisher medals, free photos and a festive start to your year.

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.

Run the Lost Coast 55K in Whitethorn California on January 3 2026, a scenic backcountry route of gravel and quiet pavement with sweeping coastal views. Rough surfaces and about 6,500 feet of climbing make for a rewarding remote challenge.

Tackle the Del Dios Trail Race "The Race of the Gods" at Lake Hodges in Escondido on Jan 4, 2026. Choose from 5K to 50K on scenic dirt roads and single track with up to 1000 feet of climbing in this championship qualifier.

Ring in the New Year with a scenic trail run at Whittier Narrows Recreation Area on January 4, 2026. Choose 5k, 10k, 15k or a half marathon and enjoy finisher medals, free photos, aid stations and a festive post race vibe.

Choose from trail distances at the San Diego 50 & Trail Runs, from a 50 Mile to a family friendly stroller 5K and youth mile. Tackle Raptor Ridge singletrack for big views, then celebrate with a tri blend shirt and handcrafted wooden medal.

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..

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 dirt trails and ranch roads at La Cuesta Ranch near San Luis Obispo, with start and finish at a historic barn. Choose 10K, 20K or 30K looped distances and enjoy stocked aid stations, a custom tee and finisher award.

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.

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.

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..

Join the 22nd annual Calico Trail Run on Sunday January 25 2026, choose 30K or 50K through the historic Calico Ghost Town and Mojave Desert mountains near Yermo California. USATF sanctioned trails promise epic scenery and a true desert chal..

Experience the Hollywood Sign Run | Hike in Griffith Park on Jan 25, 2026 with scenic out and back trails to the iconic Hollywood Sign and sweeping views of downtown Los Angeles and the Griffith Observatory. Distances from a kid run to 8 mi..

Run or hike through iconic Griffith Park with routes for 8 mile, 8K, 5K and a 2.2K kids run, finishing near the Old Zoo. Enjoy skyline views of the Hollywood Sign, a finisher medal and post race snacks.