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Hell Creek Half & 50K

Sylvan Grove, United States • 23 Aug 2025

The Hell Creek Half & 50K is a trail running event held near Sylvan Grove, Kansas, at the Switchgrass Mountain Bike Trail in Wilson State Park. The race offers two distances: a half marathon (~13 miles) and a 50K (~32 miles). The course features rugged, runnable single-track trails with scenic views of Wilson Lake and the state park.

Elevation gain is approximately 1,300 feet for the half marathon and 3,000 feet for the 50K. Aid stations are located at the start/finish and "Hell Hill," providing food, water, and endurance fuel. The event emphasizes well-marked trails, a challenging yet beautiful course, and is part of the Ultraverse Kansas Slam series. Visit the organization's website for the most recent information.

United States Kansas Sylvan Grove

Race information

Website Registration
50 km
3000 m+
50k
21 km
1300 m+
1/2 Marathon
Visit the organization's website for the most recent information.
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