Wisconsin ANVIL Ultra Triathlon
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Wisconsin ANVIL Ultra Triathlon : Ottawa Lake State Park, Dousman WI
The Wisconsin ANVIL Ultra Triathlon is an ultra-endurance triathlon event held at Ottawa Lake State Park in Dousman, Wisconsin. The event offers multiple continuous-distance formats, including triple, double, 1.5 ANVIL, solo, aquavelo, duathlon, and relay options, plus a half distance triathlon.
The course uses short, repeatable loops inside and just outside the state park. This layout concentrates aid and support and keeps athletes near the event village on each loop. The on-course Aid Station and Athlete Village allow athletes to access a personal crew every loop for refueling, gear changes, and support. Organizers provide real food at aid stations and maintain a 24-hour on-site medical team.
Race weekend is staged across several days with specific setup times by category: Triple setup Sept 9 PM, Double and Single setup Sept 10 PM, and Half setup Sept 12 AM. Registration closes on Sun, Sep 6. ANVIL coordinates with local state parks and townships to offer extended distance options that include races longer than a standard full distance triathlon as well as half distance events.
The event description emphasizes continuous support, on-course logistics focused on safety, and multiple endurance formats run on short, repeatable loops within a park setting. Visit the organization's website for the most recent information.
