International distance SOLD OUT! Sprint distance soon to follow.
August 23-25, 2019
Are You Ready to Conquer Chicago?
Limited entries remain.
August 23-25, 2019
It All Starts Here!
Plan your visit to the Multisport & Fitness Expo.
August 23-25, 2019
Kids Rule at #ChiTri!
Enroll your 7-14 year old today.
August 23-25, 2019
You Will Do This!
Still pondering? Limited entries remain.

Where the World Comes to Race™
August 24-25, 2019

International distance is now sold out, with Sprint distance to follow. General registration opened November 1, 2018 at 12:00 PM CT. The 2019 event is limited to 7,500 participants.

For 37 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.

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For information on sponsorship opportunities, please contact our sponsorship team.