6th Hell Creek 140 Mile Race
6th Hell Creek 140 Mile Race is a 225 km ultramarathon in Sylvan Grove, KS, United States, taking place on Oct 2 – Oct 4, 2026.
- Date
- Oct 2 – Oct 4, 2026
- Distance
- 225 km
- Location
- Sylvan Grove, KS, United States
- Format
- Fixed distance