Timothy O'Donnell

City Club member 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 his wins are eleven Ironman 70.3 victories and two Ironman wins.

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 and a win at the 2009 ITU Long Distance World Championship.

At the 2019 Ironman World Championship in Kona, Hawaii, O’Donnell finished in 2nd place, with his sub-eight-hour performance being the fastest time ever recorded by an American at the World Championship. Proving himself to be one of the most consistent athletes in Kona, he finished 2nd place in 2019, 4th place in 2018, 6th place in 2016, 3rd place in 2015, 5th place in 2013, and 8th place in 2012. In March of 2021, O’Donnell suffered a major heart attack during the Challenge Miami triathlon. After a year off in recovery, he returned to racing and the Ironman World Championship in 2022 where he once again finished as the Top American for the 5th time. In 2023 he completed his journey back to the top with a win at IRONMAN 70.3 Peru.

O’Donnell is a graduate of the United States Naval Academy (MS) and the University of California, Berkeley (MEng). He resides in Boulder with his wife Mirinda Carfrae (three-time Ironman World Champion), and their children Isabelle and Finnian. In his final year of racing, he is looking forward to pursuing passions in public speaking, coaching, and real estate investing along with becoming an active part of the Highland City Club community.