Trail Running calendar near Rancho Santa Margarita 2025-2026

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

The Pasadena Trail Half Marathon is a premier running event hosted by Pasadena Running Company, featuring challenging routes that highlight the scenic trails of Pasadena. Scheduled for October 19, 2025, this event offers three distance options: a Half Marathon, 10K, and 5K, catering to runners of al..

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 is known for its tough course, with a 10-mile loop that includes 2,300 feet of elevation gain per lap...

The Wildwood Canyon Trail Run will take place in Yucaipa on Saturday 1 November 2025.

The Catalina Island Half-Marathon & 10K is a premier trail running event set in the picturesque town of Avalon, California. Participants can choose between a challenging 13.1-mile half-marathon or a scenic 6.2-mile 10K course. The race features stunning ocean views, historic landmarks like the Wrigl..

The Sri Chinmoy 6-Hour Race in San Diego offers participants a scenic 5-mile loop course around a tranquil urban lake, perfect for runners and walkers of all paces. This event is ideal for those training for marathons or looking to push their endurance beyond traditional distances. Athletes will ben..

The 4 Mile Hill Challenge is an exciting running event scheduled for November 15, 2025, at the Audubon Center at Debs Park in Los Angeles, CA. This event features a scenic 4-mile course that includes rolling hills and all-trail paths, making it suitable for participants of all skill levels, from beg..

Caspers Trail Races, set to take place in San Juan Capistrano, CA, features a variety of trail running events including a 10K, half marathon, 30K, marathon, and 50K. Organized by KH Races, the event promises well-supported and clearly marked courses, along with appealing race swag for participants...

The Boundiful Endurance Runs is an exciting running event held at Washburn Ranch in Hemet, California, featuring a unique 100% hardpacked dirt surface course. Participants can choose to run solo or as part of a relay team, with options for 100m, 24-hour, 12-hour, 6-hour, and 3-hour races. The event..

The Black Mountain Turkey Burner is an annual trail race held in San Diego, California, designed to help participants burn off their holiday meals. Scheduled for November 30, 2025, this event features three race categories: a challenging half marathon, a 10K, and a 5K, each offering varying levels o..

The Ray Miller 50/50 is an exciting running event taking place in Point Mugu State Park, Malibu, CA. Participants can choose from three challenging distances: a 50 Miler, a 50K, and a 30K, catering to various skill levels and preferences. This event promises a scenic and adventurous experience, set..

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and loss of 2860 feet, making it suitable for experienced runner..

The Anza Borrego Cuyamaca 50 Mile Run is a scenic point-to-point race set in Julian, California, showcasing some of San Diego's most beautiful trails. Participants will traverse 50 miles, starting at the Sunrise Trailhead and winding through Cuyamaca Rancho State Park, including an ascent of Stonewa..

The Keepin' It Rural will take place in San Marcos on Sunday 7 December 2025. You can run between 5 and 10 kilometers.

The Crystal Cove Trail Run is a premier running event set in the scenic Crystal Cove State Park, Laguna Beach, California. Participants can choose from three distances: the challenging 15k, which includes steep climbs and technical sections like the Rock Garden and Elevator, the 6k, and a fun 1k for..

The Dixon Lake Trail Race, held annually in beautiful Daley Ranch, Escondido, features a 10-mile and 10K race that begins at El Caballo Park. Runners will ascend to the top of Stanley Peak, enjoying stunning 360-degree views along the way. The race includes elevation gains ranging from 900 to 1300 f..

The Paramount Ranch Trail Runs is an exciting running event scheduled for December 2025 in Agoura Hills, California. Participants can choose from various distances, including a 50K, marathon, 30K, half marathon, and 10K, catering to runners of all levels. The event promises a scenic experience on th..

The San Diego 50 Mile & Trail Marathons is a diverse running event taking place in Escondido, California, featuring multiple race options including a 50-mile ultra marathon, trail marathon, marathon relay, heavy half marathon, and various shorter distances for all ages. The event emphasizes inclusiv..

The Sean O'Brien 100K is a premier trail running event taking place in Calabasas, California, featuring multiple race distances including 100K, 50 miles, 50K, a marathon (26.2 miles), and 30K. This event is recognized as a qualifier for the prestigious Western States 100. Participants can expect sce..

The Ranch 50K is a trail running event taking place in the scenic Daley Ranch area of Escondido, California, on February 14, 2026. Participants can choose between a challenging 50K course, which consists of two 25K loops with a total elevation gain of 6,318 feet, or a half marathon with a single loo..