Sugar River Triathlon

The Wisconsin Triathlon Series is an annual series of seven races held throughout Wisconsin during the spring and summer months. All races in the series offer sprint distance, while the Wisconsin Triterium, Green Lake and Tri-ing for Children's Triathlons also offer an Olympic distance. Whether you are new to triathlons or have been doing them for years, we have a race that suits you!   The 9th annual Sugar River Triathlon is race number six of the Wisconsin Triathlon Series! This sprint triathlon held in Belleville, WI offers participants of all levels a safe race experience, swimming a 1/4 mile in the calm Lake Belle View. A 16-mile bike course of rolling hills is then followed by a 5K run on gravel trails and quiet neighborhood streets.