Mary Beth Ellis born July 12, 1977, is an American triathlete. Mary Beth holds the record for the fastest iron-distance race by an American woman, set at Ironman Austria in 2011 with a time of 8:43:34. She is an eight-time Ironman Champion. In 2012 she won the Ironman 70.3 Singapore. She then went on to the Ironman Texas to claim her first three M-dot victories for the season. In Texas Mary Beth successfully raced her way under the nine-hour mark (8:54:58) for the second time in her Ironman career.
Despite these amazing accomplishments, Ellis faced some challenges earlier on. In 2005 she was diagnosed with osteoarthritis, she was told she would never run competitively again. She decided to go against doctor’s orders and traded in her running career for triathlon. Since then Ellis has pushed her way to the top of the sport and continues to dominate in triathlons.