Cuyamaca 100K Endurance Run

October 4, 2025

San Diego

The majority of the Cuyamaca 100k course lies within the boundaries of Cuyamaca Rancho State Park approximately one hour east of San Diego. The course consists of three distinct loops, all of which start and end at Camp Cuyamaca off of Highway 79. Each loop covers a different set of trails with minimal back tracking and repetition.

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