Trail Running calendar near Chula Vista 2025-2026

The Riley Park Trail Races, held in Thomas F. Riley Wilderness Park in Orange County, California, offer a variety of distances including a 30k, half marathon, 10 miler, 10k, 5k, and a unique 6-hour race. This family-friendly event features scenic single and double track trails, providing runners wit..

The Windfall Full Moon Trail Run, held in Alpine, California, offers a unique nighttime trail running experience under the bright full moon. Participants can choose from four distances: 5K, 10K, 15K, and 30K, with courses marked by reflective markers on private single-track trails featuring varied t..

The Trip to: Lake Calavera Trail is a moderately challenging 4.9-mile hiking event held near Carlsbad, California. The trail takes participants around Lake Calavera and ascends to the summit of the volcano, offering scenic views and a rewarding outdoor experience. The event is open to active duty mi..

South Bay 24 is an endurance running event held at Montgomery Waller Community Park in San Diego, featuring a 1.25-mile loop course that includes trail, grass, and bike path surfaces. The event offers multiple race options including a 24-hour race, 12-hour day and night races, a 6-hour race, and a h..

The OC Trail Runners Group Run is a free, social, and non-competitive trail running event held in Newport Coast, California, at El Moro and Laguna Coast Wilderness Park. The group meets at Coastal Peak Park and enjoys a different route each time. The June 28, 2025 run covers about 8 miles with rough..

The Noble Canyon 50K and 15K is an annual trail running event held in the scenic mountains of east San Diego, California, specifically in Pine Valley. The races take place on runnable single-track trails within National Forest land, offering participants stunning views and challenging terrain. The 5..

The Double Peak Challenge is a distinctive outdoor running event held in San Marcos, California, featuring a challenging 10K race, a 5K fun run, and a Kids Trail Trot. The 10K course is known for its demanding elevation gain of 1,176 feet, culminating at Double Peak's summit at 1,558 feet, offering..

The Cuyamaca 100K is an ultramarathon held in Cuyamaca Rancho State Park near Julian, California, about an hour east of San Diego. The challenging course features three distinct loops starting and ending at Camp Cuyamaca. The first loop covers 31.5 miles on the park's western side, including a climb..

The Carmel Valley Trail Race, held annually at Gonzales Canyon Open Space in San Diego, offers a scenic and challenging trail running experience. Starting and finishing at Solana Ranch Park, the race features three distances: 15K, 10K, and 5K. The 15K and 10K courses include the notorious "Puke Hill..

Live Oak Odyssey is a fixed-time trail running event held at O'Neill Regional Park in Trabuco Canyon, California. Participants choose between 3-hour and 6-hour races on a scenic 2.75-mile loop featuring approximately 500 feet of vertical gain per lap. The course offers a mix of uphills, downhills, s..

The Cahuilla Rez Ultra is a unique running event held on the Cahuilla Indian Reservation in Anza, California. It offers multiple race distances including a 100-mile ultra, 24-hour, 12-hour, 6-hour, and a half marathon. The course features a 2-mile loop on double track dirt roads with moderate elevat..

The Encinitas Beach Run is a unique running event held at Moonlight Beach in Encinitas, California. Participants can choose between 5k and 10k distances, running on sand along a scenic coastal course starting near the iconic palm tree at Moonlight Beach and heading north. The event features a fun, f..

Caspers Trail Races, held in San Juan Capistrano, California, offer a variety of distances including 10K, 13.2 miles, 30K, marathon, and 50K. This trail running event is known for its well-supported and clearly marked courses, providing a safe and enjoyable experience for participants. The races tak..

Machete Muertos 200 is an ultramarathon event held at Lake Perris, California, featuring multiple race distances including 10, 20, 50, 100, and 200 miles, plus a 20-mile ruck division. The course consists of challenging loops with significant elevation gains—2,300 feet per lap for shorter distances..

The Roosters Backyard Ultra will take place in San Diego on Saturday 1 November 2025.

The Mount Laguna Trail Marathon, held in Mount Laguna, California, is a well-organized Southern California trail race featuring a challenging single-loop course of technical single-track trails. The marathon covers rolling terrain with a total elevation gain of 3,358 feet. The first half of the cour..

The Sri Chinmoy 6-Hour Race in San Diego is a timed endurance event held at Miramar Reservoir, featuring a scenic 5-mile asphalt loop around a serene urban lake. Participants run or walk clockwise on a mostly flat course with gentle hills, sharing the path with pedestrians and cyclists in separate l..

The RD Trail Half Marathon will take place in Tijuana on Sunday 16 November 2025. You can run between 10 and 21 kilometers.

Boundiful Endurance Runs is a unique ultrarunning event held at Washburn Ranch, a Southern California fruit and nut farm near Hemet, CA. The race features a one-mile loop on a 100% hardpacked dirt surface, free of gravel, asphalt, or sidewalks, providing a smooth and uninterrupted running experience..

The Black Mountain Turkey Burner Trail Race, held at Black Mountain Community Park in San Diego, CA, is a challenging and technical trail running event. Part of the ERS Sunshine Series, it features a half marathon with significant hill climbing on rugged trails, alongside 10K and 5K races on less te..