Carlyle Lake Triathlon Carlyle, IL   Sep 20, 2026

In partnership with Carlyle Lake, the City of Carlyle, IL, and the US Army Corps of Engineers, MSE Racing is proud to bring to you the annual Carlyle Lake Triathlon. Experience an exciting beach start for the beautiful Carlyle Lake swim, transitioning to a flat, scenic bike course over the plains of Illinois. The run takes you on rolling country roads to finish coming over the spillway at the end with a view of the largest man-made lakes in Illinois.

With multiple distance options to choose from, there is sure to be an event for every type and skill level of triathlete! You’ll revel in the famously flat and fast roads of Carlyle, the view over the spillway of the dam, and much, much more!!