Held annually in Green River this race goes both on and off pavement. Gaining extreme elevation after just the first 2 miles. This marathon has a reputation of being challenging. Not only because of elevation but your running in what's considered high desert. Temperatures could be low or high. This is an out and back course that rewards you with spectacular views at the top of Wild Horse Canyon of wild horses, possibly other wildlife along with views of the Palisades. What goes up must come down, you'll end the race at the Expedition Island Park where the annual River Festival and Shrimp Boil is going on. You'll enjoy food, entertainment, beer, vendors and music Friday night and Saturday.