An Ironman Competition is a triathlon, an athletic event that challenges competitors to complete three legs of a race: one swimming, one biking and one running. Although the term “iron man competition” might be used to describe any triathlon, particularly those that involve certain distances for each leg, the official Ironman is a trademarked series of events. Read more!
Sister Madonna Buder, also known as the Iron Nun, only started running at age 48 and completed her first triathlon at age 52. She now holds the world record for the oldest person to ever finish an Ironman Triathlon at age 82. Repin this to enter to win a copy of Sister Madonna's autobiography.