The Green Lake Triathlon: 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 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! Choose to participate in one or as many events in the series as you'd like! You can register for all 7 events with a series registration or, new in 2021 you can bundle your 4 favorite events and save!
- To pick your favorite 4, click on the first event you'd like to participate in and choose between the remaining events ASICS DYNABLAST™ as low as $99.95!
Location and accomodation
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