With over 25 wins at major events throughout the world, including 11 Ironman 70.3 victories and 2 Ironman wins, Timothy has proven himself to be one of the most consistent triathletes in the world.

Timothy O’Donnell started swimming at the age of 5 where local records followed and during high school and district championship titles earned. TO continued his swimming career at the United States Naval Academy initially then introduced to the USNA’s Triathlon Team where he won 6 Armed Forces National Championships that cemented the start of a successful career in Triathlon. After 2 US National Championship victories, Timothy switched to fully focus on triathlon.

With new renewed focus as a professional triathlete, his breakthrough 2009 season included wins at IRONMAN 70.3 St. Croix and Calgary and numerous podiums and qualifying for the ITU Long Distance Triathlon World Championship in Perth, Australia.

Running to victory in Perth, TO had gone from a long-distance rookie to World Champion of the world in less than 12 months. Tim’s first appearance at the Ironman World Championships was in 2012, where he finished 8th.

At the 2019 Ironman World Championship in Kona, Timothy finished in 2nd place. His sub eight-hour performance was the fastest time ever recorded by an American at the World Championship.

Long-term commitment and dedication have been the keys to success for Timothy O’Donnell and have led him being one of the most decorated long-course triathletes in history.