Rule Of Three is a 100-mile race along some of the most pristine singletrack, gravel, and pavement in Northwest Arkansas.Categories include 100-mile solo, 100 mile three person team, 40-mile solo, 40-mile three-person team and more. The 100-mile route follows approximately 30 miles of tarmac, 50 gravel, and 20 singletracks.Find more information on this event when you check out the page we’ve listed for you.