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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 several challenging distances, including the Pure Hell 140, 100-mile, 100K, and 20-mile races, all set on the rugged Switchgrass Mountain Bike Trail at Wilson State Park. The course features significant elevation changes, making it one of the most demanding 100-milers in Kansas. Runners will enjoy well-stocked aid stations and receive unique finisher awards, including medals and gear. The event emphasizes a supportive community atmosphere, with opportunities for crew assistance and pacers in longer races. Visit the organization's website for the most recent information.

United States Kansas Dorrance

Race information

Website Registration
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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