This event is in the past.It took place on October 3, 2026 at Cuyamaca Rancho State Park.
👟Prepare for significant elevation gain
💧Carry sufficient hydration for desert sections
👕Register early to ensure shirt size availability
A Western States qualifying race, the Cuyamaca 100K takes runners through three distinct loops in Cuyamaca Rancho State Park, including a climb to the 6,500-foot summit of Cuyamaca Peak.
ultra-endurance race
mountain trail running
Western States qualifier
challenging terrain
👟Prepare for significant elevation gain
💧Carry sufficient hydration for desert sections
👕Register early to ensure shirt size availability
A Western States qualifying race, the Cuyamaca 100K takes runners through three distinct loops in Cuyamaca Rancho State Park, including a climb to the 6,500-foot summit of Cuyamaca Peak.
ultra-endurance race
mountain trail running
Western States qualifier
challenging terrain
Matches these interests
- ultra-endurance race
- mountain trail running
- Western States qualifier
- challenging terrain
- Cuyamaca Rancho State Park
- Julian