Timothy O’Donnell is an American long-course triathlete with over 50 podium finishes including more than 25 wins at major events throughout the world. Among the wins are eleven Ironman 70.3 victories, two Ironman wins and a victory at the 2009 ITU Long Distance World Championship. Before dedicating his career to Ironman racing O'Donnell represented the Navy and the US with six consecutive wins at the Armed Forces National Championship. At the 2019 Ironman World Championship in Kona, Hawaii, O’Donnell finished in 2nd place. His sub eight-hour performance was the fastest time ever recorded by an American at the World Championship. He’s proven himself to be one of the most consistent athletes in Kona: along with his 2nd place finish in 2019, he has a 4th place finish in 2018, 6th in 2016, 3rd in 2015, 5th in 2013 and 8th in 2012. In March of 2021 he suffered a major heart attack during the Challenge Miami triathlon. After a year off in recovery, O’Donnell returned to racing and at the 2022 Ironman World Championship he once again finished as the Top American for 5th time. O’Donnell is a graduate of the United States Naval Academy (MS) and the University of California, Berkeley (MEng). He resides in Boulder, CO with his wife Mirinda (three time Ironman World Champion) and their children Isabelle and Finnian.