Trail Running calendar near Irvine 2026-2027

The Hills Are Alive 10K Run takes place on scenic bridle trails in Rolling Hills Estates. All participants get a t-shirt and medal, with trophies for the first-place winners. Registration opens in February 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..

Explore the trails of iconic Griffith Park in this event featuring a team marathon relay and an 8K. Run past landmarks like the Hollywood Sign and the old LA Zoo. All finishers get a medal, and the relay includes team prizes.

The 30th annual Holcomb Valley Trail Run returns to Big Bear Lake in June 2026. The weekend features a multi-day stage race and single-day distances from 5 to 33 miles on mountain trails. Registration opens in January with early bird pricin..

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..

Race through the historic landscape of Black Mountain, an ancient volcano in San Diego. The event offers 50K, 25K, and half marathon distances on technical single-track and jeep trails featuring significant elevation gain.

Tough Topanga is a classic trail run in Topanga State Park, featuring a rugged 10k and a new 15k course. With a $2,500 prize purse and a festive finish line, it's the first race in the Bulldog Challenge Series. A non-timed hike and a kids'..

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.

Event Overview The Chingona Fest Campout is a two-day community event combining camping and trail running as a fundraiser. It takes place at the Group Campground in Pearblossom, California, within the Angeles National Forest. Event Structur..

The Mt. Baldy 5000 is a tough, scenic 5K uphill run at Mt. Baldy Resort. After finishing at the Top of the Notch, runners can enjoy a BBQ dinner and drinks before a chairlift ride back down. It's billed as a unique summer mountain party.

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.

The Harding Hustle offers 50K, 30K, and 15K trail races on the Harding Truck Trail in Orange County's Santa Ana Mountains. This cupless event features challenging climbs, descents, and is known for its heat. Parking is not allowed at the st..

Tough Mugu The Tough Mugu is a trail running event offering two distances: a 25 km trail and a 10 km trail. It is part of the Bulldog Challenge Series of races. The event is located at La Jolla Canyon in Point Mugu State Park, Malibu, Calif..

Join the Hot to Trot event in Griffith Park, Los Angeles, on July 18, 2026. Choose from a 5k, 10k, 15k, or half marathon on a scenic, shared dirt trail. Registration includes a finisher medal, free photos, and a supportive atmosphere.

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.

Run under a full moon in the Anza desert. The event features four distances on a scenic 4.6-mile looped trail course. Participation is capped at 200 runners.

Join the SoCal Summer evening 6K or 12K at Lower Arroyo Park in Pasadena on July 31 2026 and celebrate after with tacos and drinks. Scenic park routes and friendly vibes make this a perfect summer night run.