Trail Running calendar near Corona 2026-2027

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 breathtaking hills and canyons of Southern California with distances ranging from 10k to a 50k ultra. Run through lush spring landscapes and conquer challenging ridgelines with panoramic valley views.

Tough Mudder Los Angeles returns to the Lake Elsinore Raceway for a day of obstacles and mud. Choose from 5K, 15K, or the multi-lap Infinity challenge on winding trails. Finishers earn a medal, shirt, headband, and a celebratory drink.

Tough Mudder takes place at Lake Elsinore Raceway on March 21, 2026. Participants can choose from 15K or 5K routes with multiple obstacles. Finishers receive exclusive medals, gear, and a drink.

A 12-hour run on a 1-mile loop in Joshua Tree, California, celebrating the spring equinox. The event is limited to 50 runners and features an aid station with food and drinks throughout the day. Awards are given for ultramarathon finishers..

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.

Run through the rugged high desert and Sawtooth Mountains in this scenic trail event benefiting cancer research. Choose between a 10K or Half Marathon course starting from the historic Mane Street in Pioneertown.

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.

Experience a fast and flat trail race at the 10th Annual Coast to Crest 10K and 5K in Del Mar. Enjoy wide open lagoon views and a downhill finish on a well groomed dirt course.

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.

Experience a mud filled obstacle course at Oak Canyon Park in Irvine. Join the community for a day of mud pits and festival celebrations while supporting local charities through the Buy One Give One program.

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..

Experience the trails of Crystal Cove State Park with a 6K or 10 mile run or hike. Enjoy views of the Pacific Ocean and receive a finisher medal and event shirt as you navigate the terrain of El Moro Canyon.

Join this spring event at Griffith Park featuring distances from a 5k to a half marathon on a scenic dirt trail course. Enjoy a relaxed atmosphere with finisher medals and free race photos for all participants.

Experience the scenic beauty of the Santa Monica Mountains with a variety of road and trail races starting from Chumash Park. Choose from a half marathon, 10K, 5K, or unique multi-race challenges in this long standing community event.

Experience a historic trail run or gravel bike race around Diamond Valley Lake. Choose from marathon to 5k distances on trails once home to Ice Age mastodons at this family friendly cupless event.

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..

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.

Leona Divide offers five trail distances from 30K to 100 miles in Lake Hughes, California. The event serves as a qualifier for Western States and awards tickets for the Angeles Crest 100. Registration closes on April 1.