Trail Running calendar near Simi Valley 2026-2027

We have found 86 Trailruns within 80 miles of Simi Valley. See below where and when you can find the races.

Support youth programs while running or walking through beautiful Griffith Park. This community trail event features a 5K course for all ages and offers medals and t-shirts to the first 500 participants.

May 2026

Event Details Coyote Two Moon is a trail running event taking place over three days in early May in Ojai, California. The event is set in the Los Padres National Forest and features multiple race distances. The total number of participant s..

This trail race in Santa Clarita's historic Placerita Canyon offers a wide range of distances, from a 5K to a 120K ultramarathon. The course travels through the golden hills of the East Walker Ranch Open Space, featuring singletrack trails..

An annual 10K trail event in Glendale with a climb to 2,536 feet and panoramic views of the L.A. Basin and San Gabriel Mountains. Produced by the City of Glendale and benefiting the Glendale Parks and Open Space Foundation.

Challenge yourself on the scenic trails of Crystal Cove State Park. Choose from 5K, 25K, or 50K distances with hill climbs and ocean views. Your run supports the John Wayne Cancer Foundation's fight against cancer.

Run along the iconic LA River Path in Canoga Park with a fun, 80s martial arts theme. Choose from a 5K, 10K, or half marathon, or join virtually. Expect themed music, costumes, and a finisher's medal.

Experience one of California oldest trail races in Sierra Madre. Run the historic 8.6 mile course with 2160 feet of elevation gain or participate in dedicated kids fun runs through the community.

The Páli Peak Trail Run takes place at the scenic Rio Bravo Ranch in Bakersfield. Choose from a 5K, 10K, or 21K half marathon, with proceeds supporting a college scholarship fund. Runners receive a shirt, medal, photos, and post-race snacks..

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

Join the Forever Brave event in Valencia for a 5k, 10k, 15k, or half marathon at West Creek Park. Enjoy a loop-based course with finisher medals and professional timing for all participants.

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

Experience the natural beauty of the Angeles National Forest at the Pacifico Ultra. Runners can choose between 50k and 21k distances on mountain trails this May.

Experience the scenic bridle trails of Rolling Hills Estates in this annual 5K and 10K run and walk. Starting at Ernie Howlett Park, participants enjoy a trail route through beautiful local landscapes with awards for top finishers.

June 2026

The Malibu Canyon Trail Races offer five distances on the trails of Point Mugu State Park in Malibu. Choose from a 100K, 50 mile, 50K, 30K, or half marathon challenge.

The inaugural Fullerton Fit 5K Trail Run offers a scenic dirt trail course through the Brea Dam area. The event also includes a Health & Wellness Fair with local vendors and food trucks. Registration includes a shirt, medal, and other race..

Experience a scenic trail race through the iconic landmarks of Griffith Park in Los Angeles. Choose between a five person marathon relay or an individual 8K loop featuring live music and full course support.

Event Overview The Summer Grand Prix is a series of four 5 km races held on Saturdays throughout the summer of 2026. All events take place at Panorama Vista Preserve in Bakersfield, California. Race Details The series consists of four indiv..

Join the Phoenix Rising event at Griffith Park in Los Angeles for a variety of distances on a scenic dirt trail course. Enjoy a relaxed racing experience with finisher medals and aid stations included for all participants.

The Old Zoo Half Marathon offers a half marathon and a 12K on scenic, flat trails starting at the historic Old LA Zoo. Runners receive a unique elephant finisher medal and other amenities. Early registration is advised as space is limited.

The Orange Curtain Endurance Run in Cerritos offers a weekend of diverse distances, from a 10K to 100K and timed events. The flat, certified course on a bike path is a Boston qualifier for the marathon. The event features multiple aid stati..