Welcome to the Wisconsin Trail Assail Series! 🌲🏃♂️🏃♀️ March 30, 2026 T-Shirt Update: Participants who register after March 29, 2026 will not receive a T-shirt for the first event. If you would like a shirt for future races, please select Registered After T-Shirt Deadline during registration. If you would prefer the pass without a shirt, please select All Access No Shirt. After Run from the Tax Man, we will follow up with anyone selecting the shirt option to confirm shirt size. Experience seven races over seven months—building to an epic series finale. The Wisconsin Tr...
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1327 Wall Street
Oconomowoc, WI 53066