Trail Running calendar near Foothill Ranch 2026-2027

Experience a team relay or individual 8K through the scenic trails and fire roads of Los Angeles' Griffith Park featuring a festive tailgate atmosphere with DJs and food trucks.

A multi-day trail weekend in Big Bear Lake on June 12–14, 2026 featuring a three-day TransRockies stage race plus single-day Holcomb Valley races from 5 to 33 miles, published elevation profiles, and specific entry and refund policies.

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.

Trail running event at Whittier Narrows Natural Area on June 13, 2026 with 5K and 10K loop courses plus a kids dash for ages 3 to 12. Registration opens April 13 and fees increase after April 30.

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.

Experience the Orange Curtain Endurance Run along the San Gabriel River in California. Featuring USATF certified courses from 10k to 100k, this event offers a fast and flat route perfect for personal milestones and Boston qualification.

Trail races on Black Mountain in San Diego with 50K, 25K and half marathon distances on rocky, steep single-track and jeep trails, featuring up to about 5,500 feet of elevation gain in the 50K.

Trail running at Topanga State Park with 10k and new 15k courses, a non-timed Hiker's Delight, a kids 1k, on-course aid, chip timing, and prize purses as part of the Bulldog Challenge Series.

Celebrate the legacy of Title IX in Yorba Linda. Run or walk a moderate 5K on the El Cajon Trail with the family, strollers, and dogs. After the race, visit the vendor fair and explore awards for various age groups.

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

Experience a weekend of community and trail running in the Angeles National Forest. Challenge yourself to complete multiple laps of a scenic 4.16 mile loop over six hours while enjoying a supported camping experience.

The 42nd Annual Independence Day Classic in Newhall, CA offers a 5K, a 1K Kids run and a Masters mile walk to raise funds for local high school cross-country and nonprofits. The event includes shirts, medals, a post-race expo and awards.

Experience a high altitude mountain run on the slopes of Mt. Baldy Resort. This 5k course features a 1500 foot climb through scenic trails ending with a sunset celebration and BBQ dinner at the Top of the Notch.

Valley Crest Trails in Tarzana, Los Angeles offers a half marathon, 10K and 5K on Mulholland's exposed ridgeline. Expect rolling climbs, broad views and hot, dry mid July conditions.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

A trail race in Modjeska Canyon offering 50K, 30K, and 15K on Harding Truck Trail through the Cleveland National Forest. The event uses shuttle access to Tucker Wildlife Sanctuary, is cupless, and features staffed aid stations.

Tough Mugu at Point Mugu State Park features coastal mountain trail courses of 25k and 10k with ocean views, chip timing, aid stations, handcrafted finisher medals, a post race festival and a $2,000 podium prize purse.

Join a community run through the dirt trails of Griffith Park in Los Angeles. Choose between 5k, 10k, 15k, or half marathon distances and enjoy a relaxed racing environment with finisher medals and free photos.

Join this summer running event at Whittier Narrows Recreation Area featuring 5k, 10k, 15k, and Half Marathon distances. Enjoy a scenic loop course with finisher medals and snacks included for all participants.

South Bay 24 is a timed endurance challenge on a flat 1.22-mile loop in San Diego. Runners choose from 24, 12, or 6-hour events, aiming for personal records or the 100-mile buckle. The event includes a campsite, meals, and a special prize f..