Trail Running calendar near Simi Valley 2026-2027

A multi-distance trail event in Los Padres National Forest near Ojai, CA, on May 1 to 3, 2026, offering distances up to 100 miles with large elevation gains and a 150-entry limit; qualifying requirements apply for the longer races.

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..

A family-friendly, non-competitive 5K trail run/walk and 1 mile walk at Elysian Park in Los Angeles on May 2, 2026. Proceeds support CurePSP’s work on PSP, CBD and MSA; post-event food, lawn games and music are planned.

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.

Trail races of 50K, 25K and 5K at Crystal Cove State Park with ocean views and hill climbs, benefiting the John Wayne Cancer Foundation; packet pickup is May 7 and the event is May 9, 2026.

Singletrack Stampede on May 9, 2026 in Calabasas CA offers 10k and 22k trail races through varied canyon terrain, included race photography and breakfast, and a $500 course record bonus for the 22k.

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.

A mountain trail race in Sierra Madre on May 23, 2026 featuring an 8.6 mile out-and-back course from Kersting Court to Orchard Camp, a Kids Fun Run, and community-led trail repair efforts supported by the Fletcher Trail Maintenance Fund.

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.

An annual 5K and 10K run and walk in Rolling Hills Estates on May 30, 2026, using the city bridle trails around Ernie Howlett Park. Overall and age division winners receive plaques and medals.

Free, social group run by Aravaipa at El Moro and Laguna Coast Wilderness Park in Newport Coast on May 30, 2026. The route is about 5.5 miles with roughly 500 feet of ascent, some rocky sections, and post-run snacks and a raffle.

Trail races at Point Mugu State Park in Malibu, CA on June 6, 2026, offering distances from a half marathon up to 100K; registration closes June 1 at 11:59 PM PT.

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..

A trail marathon relay and 8K in Griffith Park on June 7, 2026, featuring a true loop course with varied terrain, team relays or solo 8K, three aid stations, chip timing, race shirts and medals, music, food trucks and cash awards.

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..

A multi-distance trail running event at Griffith Park on June 13, 2026, offering 5k, 10k, 15k and a half marathon on hard-packed horse trails with an aid station, finisher medals, free photos, and posted results.