Rio Del Lago 100 Mile Endurance Run

The Rio Del Lago 100 Mile Endurance Run is a premier ultramarathon event held in the scenic Sierra Foothills of California, starting at Beal's Point. Scheduled for November 1, 2025, this challenging race features a diverse course that includes trails, paved paths, and stunning views of Folsom Lake. Participants can also opt for the inaugural 50K run.

The event is a qualifier for the prestigious Western States 100, attracting both novice and experienced runners. With well-stocked aid stations and a supportive community, the Rio Del Lago promises an unforgettable experience for all participants. Visit the organization's website for the most recent information.