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The Trout Brook
Saturday, October 10, 2026 · Hudson, United States
Distances
16.1km
About this race
The Trout Brook is a trail race in Willow River State Park near Burkhardt and Hudson, Wisconsin, offering 10-mile and 5-mile options. It takes place in October, guiding runners through rougher park sections rather than the wide, open paths. The field is small, with the 10-mile race capped at about 100 participants, making it more akin to a challenging local trail run than a large, crowded event.
The course features single-track trails, hills, and, when the route is intact, a stair climb; one recent edition omitted the stairs due to damage. Runners also see Willow River State Park’s waterfall, but the primary focus is the terrain. The race is intended for experienced trail runners and those interested in exploring less-trafficked areas of the park. Chris Swenke organizes it via St. Croix Running Company.
Start location
Hudson, WI