Starting when T. J. won his first Ironman at Lake Placid New York on a modified and re-branded Zipp 2001 beam bike manufactured in 1996.
This 15 year old bicycle was wind tunnel tested as one of the fastest bicycles at the time and Tollakson used his knowledge of these wind tunnels and connections with current employees at Zipp to procure and modify the Zipp bike for racing.
In November 2013 the first mass production of Dimond bikes out of their factory in Des Moines, IA was launched.
[3] In 2018 they released a disc brake version of the Marquise at the Ironman World Championships in Kona, HI.
[4] TJ is a 1999 graduate of Ankeny High School where he earned 11 varsity athletic letters (4x Cross Country, 2x Swimming, 1x Wrestling, 4x soccer).