Hell Creek 100

Dorrance, United States • 3-5 Oct 2025

The Hell Creek 100 is an exciting endurance running event taking place from October 3 to 5, 2025, in Sylvan Grove, Kansas. Participants can choose from various distances, including the Pure Hell 140, 100-mile, 100K, and 20-mile races, all set on the scenic Switchgrass Mountain Bike Trail at Wilson State Park. The course is known for its challenging elevation gains, making it one of the toughest 100-milers in Kansas. Runners will enjoy well-stocked aid stations and receive unique swag, including medals and shirts. The event emphasizes a supportive community atmosphere, with awards for top finishers in each category. Visit the organization's website for the most recent information.

Race information

140 mi
14168 m+
Pure Hell 140
100 mi
10120 m+
100 Miler
100 km
6072 m+
100k
20 mi
2024 m+
20 Miler
Visit the organization's website for the most recent information.
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