Trail Running calendar near Corona 2025-2026

The Holcomb Valley Trail Run, taking place on June 14, 2025, in Big Bear Lake, CA, offers participants a choice of three distances: 33 miles, 14 miles, or 7 miles. The event showcases the scenic Pacific Crest Trail and aims to promote local trail running while supporting the volunteer search and res..

The Orange Curtain Endurance Run features a variety of race distances, including 100K, 50K, 30K, and 10K, taking place along a scenic out-and-back course on the bike path adjacent to the San Gabriel River in California. This event is designed for runners of all levels, making it an excellent choice ..

The Red Rock Rumble is an exciting running event taking place in Topanga, CA, featuring a challenging 10k course through the stunning Red Rock Canyon. Participants can also enjoy a non-timed Hiker's Delight and races for kids aged 10 and under, as well as those aged 11-16. The event includes handcra..

The Whiting Ranch Trail Races, scheduled for June 28, 2025, in Trabuco Canyon, CA, features three race distances: a 10K, a half marathon, and a 30K. Participants will enjoy scenic trails in the foothills of the Santa Ana Mountains, with well-marked routes and ample support throughout the event. The ..

The Peak is an exhilarating trail running event featuring a 50K, marathon, and half marathon, set against the stunning backdrop of Cuyamaca Peak in San Diego County. Participants will experience challenging climbs and descents, with the 50K and marathon routes featuring a significant elevation gain ..

Elder Creek Night Runs is an exciting running event set in the beautiful desert landscape of Anza, California. Participants can choose from various distances, including 50K, 30K, 13 miles, and 9 miles, all on a scenic 4.6-mile looped course featuring single track trails and dirt roads surrounded by ..

The Harding Hustle is an exciting trail running event set in the scenic Santa Ana Mountains of Orange County, California. Scheduled for July 19, 2025, it features three challenging distances: 50K, 30K, and 15K, all along the Harding Truck Trail. Participants can expect breathtaking views, steep clim..

Tough Mugu is a challenging trail running event set in Southern California's scenic coastal mountains, offering participants a chance to experience stunning views while competing. The event features a 25k and a 10k race, both supported by fully stocked aid stations. Runners can earn handcrafted fini..

The SoCal Summer 6K/12K, organized by Pasadena Running Company, is a vibrant trail running event set in Pasadena's scenic Lower Arroyo Park. Participants can choose between two distances: a 6K and a 12K trail run, both featuring mixed-use and single-track trails. The event includes early packet pick..

The Angeles Crest 100 Mile Endurance Run, established in 1986, is a prestigious ultramarathon held in the San Gabriel Mountains of California. This challenging race features a point-to-point course that spans 100 miles, with elevations ranging from 1,135 to 9,300 feet. Participants navigate steep cl..

The Riley Park Trail Races, set in the scenic Thomas F. Riley Wilderness Park in Coto de Caza, CA, offers a variety of race distances including a 30k, half marathon, 10 miler, 10k, and 5k, making it a family-friendly event suitable for all levels of runners. Participants can enjoy beautiful trails f..

The Bulldog Ultra is a renowned trail running event held in the scenic Santa Monica Mountains, specifically at Malibu Creek State Park. Celebrating its 32nd year, the event features two challenging courses: a 50k ultra and a 25k trail run, both offering breathtaking views and demanding terrain. Part..

That's No Moon Ultras is an exciting running event taking place in Silverado, California, featuring three challenging distances: 50 Miler, 50K, and 30K. Set against the stunning backdrop of the Cleveland National Forest and Santa Ana Mountains, participants can expect breathtaking views and sunny we..

The Angeles National Forest Trail Race, celebrating its 20th anniversary, offers both 25K and 50K races on September 27, 2025, starting and finishing at the iconic Mt. Wilson Observatory. Set in the scenic San Gabriel Mountains, the 25K features a challenging 3,500 feet of elevation gain, while the ..

The HOKA Kodiak Ultra Marathons by UTMB is a thrilling two-day running event set in the picturesque mountain town of Big Bear Lake, California. Participants can choose from five different race distances, each offering a unique experience through diverse landscapes, including high desert and sub-alpi..

The Cahuilla Rez Ultra is a unique running event held on the Cahuilla Indian Reservation in Anza, California, featuring various race options including a 100-mile, 24-hour, 12-hour, 6-hour, and a half marathon. This event serves as a fundraiser for the tribe's Youth and Family Programming, promoting ..

The SPACEROCK Trail Race, scheduled for October 18, 2025, takes place at the iconic Vasquez Rocks Natural Park in Southern California. This event offers a variety of race distances, including a Half Marathon+, 15K, 10K, and 5K, catering to runners of all skill levels. Participants can enjoy the stun..

The Pasadena Trail Half Marathon is a premier running event organized by Pasadena Running Company, featuring challenging routes that showcase the beautiful trails of Pasadena. Scheduled for October 19, 2025, this event includes three distance options: a Half Marathon, 10K, and 5K, catering to runner..

The Machete Trail Madness 100 Miler is a challenging ultramarathon event held in Lake Perris, California, featuring a 100-mile, 50-mile, and 10-mile race. Scheduled for October 31, 2025, this event celebrates Dia De Los Muertos with a supportive community atmosphere. Runners will tackle a tough 10-m..

The Catalina Island Half-Marathon & 10K is a premier trail running event set to take place on November 8, 2025, in Avalon, California. Participants will experience a challenging course that includes steep climbs and breathtaking views of the Pacific Ocean, starting near the historic Wrigley Mansion...