Trail Running calendar near Yorba Linda 2026-2027

We have found 120 Trailruns within 80 miles of Yorba Linda. See below where and when you can find the races.

The Bulldog Ultra at Malibu Creek State Park on August 15, 2026 features 25k, 50k and a new 75k looped ultra. Rugged single track, multiple stocked aid stations and cash prizes for top 50k finishers shape the event day.

Conquer a steep 1000 foot climb at Snow Summit during this unique one mile mountain race. Enjoy high altitude views at 7000 feet elevation and a free chairlift ride back to the base.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

A one-day community run and expo by UltraSignup at A Snail's Pace Running Shop in Chino Hills, featuring group runs with 5K and 10K options, vendor booths, a raffle, local race partners, and a cupless event policy.

September 2026

The 61st Mt Baldy Run to the Top on September 7, 2026 is a fundraising mountain trail race in the Angeles National Forest covering about 7 miles with 4,000 feet of ascent to the 10,064 foot summit, with proceeds aiding local services.

An obstacle event at Bear Mountain on September 12, 2026 offering 5K and 10K courses, named obstacles, spectator and group options, finisher items, and volunteer and VIP experiences.

Experience an obstacle course race inside Angel Stadium. Navigate a 5 km course with 20 obstacles and stadium bleachers or participate in the dedicated kids race at this historic Anaheim ballpark.

An evening trail event in Griffith Park with 10 mile relays for teams of 2 or 4, a 5K solo race, a 1 mile kid run, and a free agent leg, on scenic, well marked courses with chip timing and on-course aid.

A trail event in Red Rock Canyon, Topanga featuring a 10k with significant vertical gain and a non-timed 4.5 mile Hiker's Delight, plus aid stations, post-race beer and tacos, massage and finisher medals.

Experience rugged trail racing at Lake Elsinore Raceway with 5K and 10K obstacle courses. This event weekend features mud and open terrain alongside endurance challenges and dedicated races for kids.

This trail 5K takes place at Ascot Hills Park with views of the Hollywood Sign and Dodger Stadium. The chip-timed event benefits a local high school cadet program. A virtual race option is also available.

Traverse technical single track through the Angeles National Forest on this historic mountain race. Choose between 25K and 50K distances starting from the iconic summit of Mount Wilson.

A trail running event on Sep 26, 2026 at Corriganville Park in Simi Valley featuring 50K, 30K, and 15K routes through sandstone outcrops, oak savannah, and canyon vistas, with aid stations and charity support for Challenged Athletes Foundat..

A trail event in San Marcos on September 26, 2026 offering a 10K, a not timed 5K and a Kids Trail Trot that climbs to Double Peak summit with notable elevation gain and participant finish items.

A seaside themed run in Long Beach offering 5K, 10K, half marathon and family distances with chip timing, free race photos, finish line pizza and a costume contest.

October 2026

A 100 mile point to point run through the San Gabriel mountains from Wrightwood to Altadena with about 21,610 feet of climb. Entry is by lottery and requires a 50 plus mile qualifier and required trail work.

UTMB Index

Experience a 9.1 mile mountain race at Mt Baldy featuring nearly 4000 feet of vertical gain. High altitude trails lead participants to the 10064 foot summit for a true alpine test in the Angeles National Forest.

A loop-based endurance event on Malibu's Chumash Trail with a 3-mile loop and about 1,250 ft gain per loop. It offers two divisions including X HEAVY with escalating weight and uses the motto "Every loop heavier. Every loop harder. Only one..

Run a scenic 5K on the shaded, groomed horse trails of Palos Verdes Peninsula. The event supports Strides in Recovery, a nonprofit helping people in addiction treatment through running. Participants receive a medal, t-shirt, and can enjoy a..

A two-day trail running festival in Big Bear Lake, California offering five distances from 10.5 km to 162 km. Courses cross high desert, sub alpine and semi-arid terrain and carry UTMB World Series Americas Major status with qualification p..

UTMB Index