Trail Running calendar near Rancho Santa Margarita 2024-2025

We have found 58 Trailruns within 80 miles of Rancho Santa Margarita. See below where and when you can find the races.

The O'Neill Park Trail Races, scheduled for May 17, 2025, offer a stunning running experience in the scenic O'Neill Regional Park, located in Trabuco Canyon, California. Participants can choose from various race distances, including a 50k, marathon, 30k, half marathon, and 10k. The event emphasizes ..

The Gorgonio View Trail Run, part of the Spartan Trail series, takes place at the scenic Big Bear Mountain Resort in California. This event features a 10K trail run that showcases picturesque singletrack trails winding through high-altitude pine forests, offering participants stunning views of the S..

The Nanny Goat event, hosted by Shelli Sexton and family, is a running competition taking place over Memorial Day Weekend in Riverside, CA. Participants can choose from various race formats, including 6-hour, 12-hour, 24-hour, and a 100-mile challenge, with options for solo runners or relay teams. T..

The Forever Brave Half Marathon in Valencia is a running event that includes multiple race distances: 5k, 10k, 15k, and a half marathon. Set for May 25, 2025, the course features easy-to-follow out-and-back loops, with aid stations available at each loop. Participants will receive a finisher's medal..

June 2025

The San Diego 100 Mile Running Race is a challenging endurance event set in the scenic Mt. Laguna Recreational Area, featuring a 90% single-track mountain course. Scheduled for June 6, 2025, this race covers approximately 15,400 feet of climbing and descent, with a 32-hour completion limit.It serves..

The Malibu Canyon Trail Races, organized by Keira Henninger, is a premier running event set in the scenic coastal Santa Monica Mountains. Scheduled for June 7, 2025, participants can choose from various challenging distances, including 100K, 50 miles, 50K, and 30K. The race features a mix of single ..

The Griffith Park Trail Marathon Relay & 8K is a premier running event in Los Angeles, celebrating its 10th anniversary. This exciting race offers participants the chance to challenge themselves on scenic trails while enjoying the camaraderie of friends and fellow runners. The event features a relay..

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 ..

July 2025

Elder Creek Night Runs is an exciting running event held in Anza, California, featuring a unique nighttime experience under a full moon. Participants can choose from various distances, including 50K, 30K, 13 miles, and 9 miles, all on a scenic 4.6-mile looped course that combines single track trails..

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 ..

Tough Mugu is a challenging trail running event set in the scenic Point Mugu State Park, offering participants a chance to experience some of Southern California's most breathtaking coastal mountain trails. The event features a 5-mile and a 25k race, with a fully-supported course and various ameniti..

August 2025

The Riley Park Trail Races, held at 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 skill levels. Participants can enjoy scenic trails featuring both sing..

The Angeles Crest 100 Mile Endurance Run, established in 1986, is a prestigious ultramarathon held in the San Gabriel Mountains of California. This challenging point-to-point race spans 100 miles from Wrightwood to Altadena, featuring significant elevation changes and rugged terrain. Participants ex..

October 2025

The HOKA Kodiak Ultra Marathons by UTMB is a thrilling running event set in the picturesque mountain town of Big Bear Lake, California. This two-day festival features a variety of race distances, allowing participants to experience the beauty of diverse landscapes, including high desert and sub-alpi..

UTMB Index

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, set for October 18, 2025, takes place at the iconic Vasquez Rocks Natural Park in Agua Dulce, California. This event features multiple race distances, including a Half Marathon+, 15K, 10K, and 5K, catering to runners of all skill levels. Participants can enjoy the stunning ..

Machete Trail Madness 100 Miler is a challenging ultramarathon event held at Lake Perris, California, featuring a 100-mile, 50-mile, and 10-mile race. Celebrating Dia De Los Muertos, the event emphasizes community and support among participants, with a course consisting of a 10-mile loop that includ..

November 2025

The Catalina Island Half-Marathon & 10K is an exciting running event set against the stunning backdrop of Catalina Island, California. Scheduled for November 8, 2025, this race offers participants the chance to experience breathtaking views and unique wildlife while running. The event features a cup..