August 26, 2018
Congratulations, Triathletes!
Thank you for 36 years of iconic racing.

Where the World Comes to Race™
August 25-26, 2018

For 36 years, triathletes have gathered on the shores of Lake Michigan for one of the largest triathlons in the world. The Chicago Triathlon is an action-packed tour through one of America’s signature metropolises.

2019 Registration

Priority registration for all 2018 participants opens Tuesday, August 28 through Sunday, September 2 at 11:59 PM CT. 2018 participants will receive email instructions guaranteeing them discounted access to the Sprint or International distance individual entry. General registration opens November 1, 2018 at 12:00 PM CT.


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Interested in becoming a sponsor?
For information on sponsorship opportunities, please contact our sponsorship team.