Anza Borrego Cuyamaca 50 Mile Run
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About the race
Anza Borrego Cuyamaca 50 (ABC 50) is a point-to-point trail race of 50 miles held on December 5th, 2026 in Cleveland National Forest and Cuyamaca Rancho State Park, California. The course leaves the Sunrise Trailhead, ascends Stonewall Peak, runs along wooded trails near the lake, and descends Oriflamme Canyon to the finish at Stagecoach Trails RV Resort & Campground in Shelter Valley.
The course includes multiple staffed aid stations at these approximate mile points: Museum (5.9 mi), Sweetwater (12.7 mi), West Mesa (19.2 mi), Paso Picacho (24.6 mi), Pedro Fages (35.4 mi), Box Canyon (44.5 mi), and the Finish (51 mi). Water and Tailwind are available at all aid stations, along with typical ultra foods, gels, cola, and ginger ale. Runners must carry at least 20 ounces of hydration. Drop bags no larger than a one-gallon clear ziplock are allowed at Sweetwater, Paso Picacho, and Pedro Fages and will be returned to the finish.
On-course rules include on-aid-station cutoffs (Paso Picacho at 7.5 hours, Pedro Fages at 10 hours) and an overall 14.5-hour finish limit. Pacers may join at Paso Picacho or Pedro Fages; crew access is available at Sweetwater, Paso Picacho, and Pedro Fages. A pre-race shuttle from the finish to the start is offered for an additional fee; there is no post-race shuttle. The finish facility offers a dining hall, a hot meal, showers, and options to stay at the campground. Visit the organization's website for the most recent information.
