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Register →Save this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
Chicago Triathlon is a olympic triathlon event held in Chicago, IL on Aug 23, 2026. It draws 8,000 competitors. The course offers a fast, PR-friendly route.
Trehko tracks registration status, entry fees, and deadlines for Chicago Triathlon and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.
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