1327 Wall Street, Oconomowoc WI
Friday, April 11th, 2025
🌲 Welcome to the Wisconsin Trail Assail Series!
Join us for seven races over seven months, culminating in a series-ending championship. These races take place in Waukesha County and Wisconsin State Parks, offering scenic courses for all fitness levels. Each event features 5K, 10K, and Half Marathon distances, and the series is walker-friendly!
📅 Series Registration
- Select your distance: during registration (5K, 10K, or Half Marathon).
- Switch distances: Don’t worry—you can switch distances for free at any time!
- Non-deferrable: Please note: series registrations are non-deferrable.
🏃 Single Race Registration
Want to participate in individual events? Click on the specific race link below to register for that event.
👶 Kiddo's 1K Registration
Our Kiddo's Races are always free! If your little one wants to join the fun, please register them for the individual Kiddo's race of your choice.
🌟 Get Ready for Adventure!
Get ready to explore the trails, challenge yourself, and have a blast with the Wisconsin Trail Assail Series!
🔗 More Information
For details and registration, visit: Wisconsin Trail Series
Starting Line Map
Suggested Races
