The 2023 Intermountain Health IRONMAN 70.3 North American Championship St. George Course covers 70.3 miles of spectacular desert terrain, two billion years in the making. In a land sculpted by persistence and determination, proven champions will navigate a path through two iconic state parks, five enthusiastic communities, and a fragile desert reserve as they rise to conquer one of the most prestigious and striking events in the world. Check out the resources below for an in depth look into the course, which showcases some of the most iconic landscapes in Greater Zion.