Hell Creek 100

Hell Creek 100, Sylvan Grove, KS

Hell Creek 100 is a multi-distance trail event presented by Ultraverse Supplements at Wilson State Park on the Switchgrass Mountain Bike Trail. The start and finish are at the Switchgrass trail head (Hell Creek area), near the Switchgrass restroom parking lot. GPS coordinates are N38°54.965 W98°30.549. The trail is rugged single-track with few trees and offers views of Wilson State Park and Wilson Lake.

Distances and course

• Pure Hell 140 - seven 20-mile loops
• 100 Miler - five 20-mile loops
• 100K - three 20-mile loops
• 20 Miler - one 20-mile loop
• 10k - special marked course, just over 6 miles

Elevation gain per distance is published: 10k 442 ft; 20-mile 2,024 ft; 100k 6,072 ft; 100-mile 10,120 ft; Pure Hell 140 14,168 ft. The 10k follows a separate marked cutoff and does not hit aid stations.

Logistics, aid, and rules

The course is heavily marked with ribbons, flags, and wrong-way signs. Two manned aid stations serve the course - the main start/finish and "Hell Hill" (appearing twice per loop) - plus one unmanned water station at mile 5. The maximum distance without water is 6.25 miles. Pacers are allowed only for the 100-miler and Pure Hell 140 after three laps; crew access is restricted to the two manned aid stations. Runners must carry a means to hold water, be at least 18 years old, and follow rules on no trail cutting, no littering, and no muling. Deferral credit is available on a sliding scale depending on notice. Visit the organization's website for the most recent information.