Scott Rigsby, 39, Atlanta, GA

Scott Rigsby is used to overcoming obstacles. After losing both of his legs as the result of an accident, he has gone on to set four world records in endurance sports, including becoming the first double amputee in the world to finish an Ironman Distance triathlon, with prosthetics, at the 140.6-mile World Championship in Hawaii. To inspire able-bodied and other physically challenged people, Scott formed the Scott Rigsby Foundation, which educates and enables our wounded soldiers and challenged athletes all over the world.