Come race with us!

Your 2023 Lake Mills Participant Guide is ready! View it HERE!

The Lake Mills Triathlon Presented by Playtri kicks off the 2023 Wisconsin Tri Series! This sprint distance race which includes a 400-meter swim, a 16-mile bike ride, and a 5K run is a wonderful introductory event for beginner racers and the flat, fast course provides a competitive atmosphere for experienced racers.