The Wisconsin Triathlon Series Presented By Trek is an annual series of seven races held throughout Wisconsin during the spring and summer months. All races offer sprint distances, while Triterium, Ripon Medical Center and Tri-ing for Children's offer both sprint and Olympic distances. If you are new to triathlons or have been doing them for years, we have a race that suits you!
Choose to participate in one, two, or all seven races!
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