Lake Mills Triathlon

The Wisconsin Triathlon Series is gearing up for another exciting season in 2025! This annual series features seven races across Wisconsin during the spring and summer months, catering to all levels of triathletes. Each race offers a sprint distance, with the Wisconsin Triterium, Green Lake, and Tri-ing for A Cure Triathlons also providing Olympic distance options. Whether you’re just starting out or have years of experience, there’s a race for you! The 2025 series will kick off with the Lake Mills Triathlon, a perfect entry point for beginners. This sprint distance event includes a 400-meter swim, a 16-mile bike ride, and a 5K run . With its flat and fast course, it's designed for both new racers and seasoned athletes looking for a competitive atmosphere. Join us for a fantastic season of racing, community, and personal achievement!