Trail Running calendar near San Juan Capistrano 2026-2027

Run a 5K through the unique setting of an active rock quarry in Rialto. The course offers views of massive machinery and limestone terrain. All proceeds benefit local school STEM programs.

Join a free, social trail run in Newport Coast's wilderness parks. The non-competitive route changes each time, with this session covering about 6.5 miles. Stick around afterwards for snacks and a raffle.

Run through the scenic and historic trails of Anza Borrego Desert State Park. Choose from a 50K, marathon, or half marathon, starting and finishing at the Stagecoach Trails RV Resort. This is the event's ninth year.

This iconic trail running weekend on Catalina Island features California's official off-road marathon championship. Choose from a marathon, 10K, 5K, or a kids run, all set against a backdrop of ocean views and conservancy trails. The 2026 e..

The Singletrack Stampede is a 22k and 10k trail run through the scenic Las Virgenes Canyon near Calabasas. Runners navigate a cross-country course with switchbacks, creek crossings, and expansive views. The event includes a finisher medal,..

Choose your challenge at the Pirate's Cove timed endurance run, set on a scenic 2-mile loop around Lake Cuyamaca in the mountains. The event offers 6-hour, 12-hour, and 24-hour distances starting at 8 a.m., with on-site dining and supplies..

Experience the rolling hills and scenic ridgelines of Santa Clarita at the Valencia Trail Race. Choose between 10k, half marathon, or 50k ultra distances through beautiful Southern California canyons.

Explore the trails of Whiting Ranch Wilderness Park in Orange County. Choose from four distances, from a 6k to a 30k, on courses with views through oak woodlands. The event is well-supported and offers participant gear.

Test your endurance at Monserate Mt. Preserve with 6 and 12 hour trail running options. Complete as many loops as possible solo or as a team while enjoying local trails and a fully stocked aid station.

The Coast to Crest offers a flat and fast 10K and 5K on hard-packed trails in Del Mar. Runners enjoy spectacular lagoon views and a downhill finish. It's the final championship qualifier for the series.

Experience the 16th annual spring edition of this trail event in Los Angeles. Runners can choose from multiple distances including a new 50 mile ultra and family friendly 10k routes through Griffith Park.

Tackle the trails in the Cleveland National Forest near Silverado with the Billy Goat Mountain Climb. Choose from three distances, all featuring significant elevation gain, including a local favorite 17-mile loop. Aid stations and shuttles..

This trail run or hike in Laguna Beach's El Moro Canyon offers a 6K or 10-mile course with ocean views. Participants receive a shirt, medal, and photos. Parking at the state park costs $15.

Hop into spring with the Hoppy Easter runs at Griffith Park. Choose from four distances on a scenic dirt trail course, from a 5k to a half marathon. Every finisher gets a custom medal, and the event includes free photos and a friendly atmos..

Experience the scenic beauty of Agoura Hills at this long running event featuring road and trail races. Choose from distances ranging from 1 mile to a half marathon with a celebratory post race atmosphere.

The Bedrock Valley Trail Runs offers a weekend of trail running and gravel biking at Diamond Valley Lake. Choose from a marathon, half marathon, 15k, 10k, or 5k on Saturday, followed by gravel bike rides on Sunday. It's a cupless event with..

The Oriflamme 50k is an April trail run on a scenic 31.4-mile out-and-back course. It features a 2,000-foot descent into the desert and a challenging climb back up, with aid stations and a 9-hour limit. Participants receive a technical shir..

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..

Event Details The Badwater Salton Sea is an 81-mile (130 km) team ultramarathon that takes place in the Anza-Borrego Desert and Palomar Mountain region of Southern California. The event challenges teams of two or three runners to complete t..

A trail based 5K at BackCountry Gardens in Ramona featuring a two loop 1.5 mile course with mud and natural obstacles. The event also includes a charity beer mile and a Ramona Ranch wine tasting with food available.