Trail Running calendar near Valyermo 2026-2027

Experience the scenic beauty of the Santa Monica Mountains at the 41st annual Great Race. Choose from multiple distances including a panoramic half marathon, 10K, and 5K, followed by a large post-race celebration in Chumash Park.

A two day trail and gravel event at Diamond Valley Lake near Hemet offering distances from a 1 mile kids run to a 26.2 mile trail marathon, plus stroller, youth and multi lap gravel rides around the lake.

Step back in time for a totally tubular run in Huntington Beach. This 80s themed event features a 5K, 10K, and Half Marathon on a flat, scenic oceanfront course. After the race, enjoy a costume contest, a beach party with a live DJ, and an..

The Run4Kids Ultra Running Party features a wide range of distances and timed events, from a half marathon to a 24-hour ultra. The event raises funds for youth running programs. It takes place in Corona, California.

Experience a historic trail event in Lake Hughes featuring distances from 30k to 100 miles. Conquer the terrain and earn a Western States 100 qualifying time on the scenic 100k or 100 mile courses.

Trail races on the Soboba Indian Reservation support Noli Indian School. Choose from marathon, half marathon, 5k, or a kids' 3k walk/run. The event features Native and Open divisions, with proceeds funding a student scholarship.

Coastal trail racing at Point Mugu State Park with a 13.4 mile half marathon and a 6.9 mile 10k featuring ocean view switchbacks, finisher medals, free race photos, a 21 plus beer garden and post race amenities.

A lap-format trail event at Lake Perris offering 10K, 50K and 100K distances with substantial elevation, aid stations, group tent camping, and a pacer option for 100K runners after two laps.

Las Virgenes Canyon Ultra Trail Races on April 25, 2026 in Woodland Hills, CA offers distances from 6K to 100K on rugged trails with climbs and open views. Aid stations are fully supported, the event is cupless and there are food and awards..

Test your speed and navigation skills in this unsanctioned 4+ mile race through Chino Hills. Navigate four checkpoints across gravel and trail terrain to compete for cash prizes in a format where you choose your own route.

A 13.5-mile trail race on fire roads and single track in Limestone Canyon with 2,719 feet of elevation gain, two aid stations, cupless policy, and limited packet pickup options.

Celebrate the 14th anniversary of Aut2Run at CSU Channel Islands with distances from a 1 Mile Run to a 15K Hero Run. Support the local autism community through this inclusive event featuring both trail and road courses.

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.

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..

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.

Experience the scenic trails of Crystal Cove State Park in this coastal run featuring 50K, 25K, and 5K distances to support the John Wayne Cancer Foundation.

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.

Experience high altitude obstacle racing at Big Bear Mountain Resort featuring steep climbs and over 1200 feet of descent. Conquer the Sprint, Super, or Beast distances to earn your Trifecta qualification in the San Bernardino National Fore..

Trail races at O'Neill Park in Trabuco Canyon on May 16, 2026 offer distances from 10k to 50k. Registration closes May 1 and entries are non refundable; weather or fire cancellations may roll over to a makeup date or another KHraces race.