Rio Del Lago 100 Mile Endurance Run

The Rio Del Lago 100 Mile Endurance Run is a premier ultramarathon event taking place in the scenic Sierra Foothills of California. Scheduled for November 1, 2025, this challenging race starts at Beal's Point and features a diverse course that includes trails, paved paths, and stunning views of Folsom Lake. Participants can also opt for the 50K race, which shares the initial course with the 100-mile runners.

The event emphasizes community involvement, with well-stocked aid stations and enthusiastic volunteers. Runners are encouraged to prepare adequately, as the race serves as a qualifier for the prestigious Western States 100. Visit the organization's website for the most recent information.