Transamerica Chicago Triathlon
The International distance is SOLD OUT! Get your secured entry through our official charity, St. Jude.
> Register now for the Chicago Triathlon Sprint race
> Register now for the SuperSprint or Life Time Kids Tri
Where the World Comes to Race™
For more than 30 years, triathletes have gathered on the shores of Lake Michigan for one of the largest triathlons in the world. The Transamerica Chicago Triathlon is an action-packed tour through one of America’s signature metropolises.