Trail Running Calendar California 2025-2026

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.

Run the Sean O'Brien trail race in Calabasas on Jan 31, 2026 for scenic trails and rewarding climbs across multiple distances. Choose from 30K to 100K with the 100K as a Western States 100 qualifier; register by Dec 15.

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.

Conquer scenic natural surface trails and the Mt Umunhum ascent at Trail Conquest Winter in Almaden Quicksilver County Park, with distances from a kids run to 50K. Race day registration, aid stations and a commemorative medal for finishers.

Run beneath Boney Mountain on rugged single track with creek crossings and ocean views. Choose a backcountry half or 7k and enjoy a lively post race festival with tacos, massages and finisher swag.

Run scenic shoreline trails at Escape from Folsom Trail Runs on Feb 7 and 8, 2026 at Granite Beach, Folsom Lake. Choose a 5K or 10 Mile and earn a finisher medal while enjoying aid stations and lake views.

Experience scenic coastal trails at Fort Ord National Monument in Salinas on February 7, 2026, with 10K, 25K and 50K options. Marked routes, aid stations, live timing and finisher awards promise a rewarding day on the trails.

Take on the Monterey Ultra, a scenic and challenging trail 50 M through Fort Ord National Monument and Laguna Seca in Monterey, CA. Limited to 150 runners with a 14.5 hour cutoff, finishers earn a custom medal and 50 M finishers get a hat.

Kick off the Trail Half Series by exploring scenic backcountry trails, creek crossings, and ocean views at Rancho Sierra Vista in Thousand Oaks. Tackle a 13.1 mile half marathon or a 4.4 mile 7k and enjoy post race food, photos, and awards.

Run scenic trails along the Pacific and Marin Headlands with sweeping views of San Francisco and the Golden Gate Bridge. Distances range from 8K to 50K and include a free kids dash, making this a perfect coastal race for every runner.

Join the JW House Hope Run at Vasona Lake Park for a scenic 5K or 10K that welcomes runners, walkers, and teams. Family and stroller friendly, this community event raises funds to support families facing medical crises.

Join Game Day on Feb 8, 2026 at Kenneth Hahn State Recreation Area in Los Angeles for 5k, 10k, 15k and a half marathon. Enjoy custom finisher medals, free photos, snacks and a scenic park course with a challenging hill.

Join the Racing Gnome Snowshoe Race in Truckee, California on February 8, 2026 for a scenic 5K or 10K on winter trails. Limited snowshoes are available first come first served and members enjoy extra swag and discounts.

Run The Ranch 50K or Half Marathon at scenic Daley Ranch in Escondido on February 14, 2026. Challenging looped trails with big elevation and stocked aid stations make this a rewarding SoCal Ultra Series qualifier for trail lovers.

Soak up San Francisco Bay views at Bay Breeze, a mostly flat road and trail event with half marathon, 10K, 5K and a remote runner option. Walkers and hikers are welcome on the scenic waterside course.

Celebrate Valentine's Day at Griffith Park with A Better World Running for scenic trail runs including 5k, 10k, 15k and a half marathon. The course is marked with cones and aid stations, and all finishers get a custom medal plus free photos..

Celebrate Valentine's Day at Farmer Bob's Live, Love, Run 5K through orange orchards to a finish inside a historic wedding venue. Collect five sealed cards for a poker showdown at the finish with prizes, custom medals and live chip timing.