Chicago Triathlon

AUG

22-23

2026

The Chicago Triathlon takes place in August, featuring swims in Lake Michigan, bike rides on iconic city streets, and runs past famous landmarks. Races range from kids' distances to Olympic and Triple Challenge events, with options for individuals and relay teams.

22-23 Aug 2026

Diversey Harbor, Illinois

Website

Supersprint Sprint Olympic Triple Challenge Kids Jr.

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Chicago Triathlon

The Chicago Triathlon offers several race distances held across two days in August. The event includes swim, bike, and run segments through urban Chicago landscapes.

Saturday races include the Kids Jr., Kids Sr., SuperSprint, and Triple Challenge events. These feature swims at Foster Beach in Lake Michigan, bike loops near the lake, and runs on paths close to Lake Michigan.

Sunday races include the Sprint and Olympic distances. The swim for these takes place in Monroe Harbor on Lake Michigan. The bike course goes along Lakeshore Drive, Lower Wacker Drive, and the McCormick Place Busway. The run passes by landmarks like Buckingham Fountain, the Shedd Aquarium, the Field Museum, and Soldier Field, finishing on Columbus Drive.

Participants can enter as individuals or as part of a relay team. The event is listed as one of the world's largest triathlons. Visit the organization's website for the most recent information.

95 km

Triple Challenge

52 km

Olympic

29 km

Sprint

13 km

Supersprint

Kids Jr.

Kids Sr.