The Summit Fat Tire Society, established in 1990, is a non-profit organization based in Summit County, Colorado and dedicated to supporting mountain biking, trails, and the resources around us through building and maintaining trails, being advocates for the sport, and organizing social events to help build a close-knit community of riders.

You can get in touch with us here or by mail at PO Box 2845, Breckenridge, CO 80424. We’re a registered 501(c) 3 organization.