Carlyle Lake Triathlon

The Carlyle Lake Triathlon, scheduled for September 21, 2025, is an exciting multi-sport event held in Carlyle Township, Illinois. Participants can choose from various race formats, including individual and relay options for both sprint and Olympic distances, as well as aquabike and duathlon events. The triathlon features a scenic beach start for the swim, followed by a flat bike course across the picturesque Illinois plains, and a run that concludes with a stunning view over the spillway of Carlyle Lake.

This event caters to athletes of all skill levels, promising a memorable experience in a beautiful setting. Visit the organization's website for the most recent information.