Hell Creek 100

OCT
3-5
2025
Read all about the Hell Creek 100 on 3-5 Oct 2025 in Dorrance.
3-5 Oct 2025
140 miles 100 miles 100 kilometers 20 miles

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About the race

Hell Creek 100 is an Ultraverse Supplements endurance event held in Sylvan Grove, Kansas, with the start/finish at the Switchgrass trail head in Wilson State Park. The weekend offers Pure Hell 140, Hell Creek 100, 100K, and 20 Mile, with the 100-miler delivering the elevation gain (10,120 ft). The rugged single-track features views of Wilson Lake, and races run as loops (20 miles for the 20-miler; three loops for 100K; five for 100-miler; seven for Pure Hell 140).

Staffed aid stations at Start/Finish and Hell Hill; pacers allowed for longer races; minimum age 18. Finisher buckles, shirts, beer, and swag. Visit the organization's website for the most recent information.

140 mi
Pure Hell 140
100 mi
100 Miler
100 km
100k
20 mi
20 Miler

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