140 miles
100 miles
60 miles
20 miles
Completed
Hell Creek 100
Sylvan Grove, KS, US
Key Dates
Race Day
Oct 3, 2025
Aid Stations
Aid station data not yet available for this race.
Check back as we add more course details.
Race Planning
Plan Hell Creek 100 with Crewable
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Get Started FreeAre you the race director for Hell Creek 100?
Claim this race to manage registration, volunteers, and race-day ops on Endurance HQ.