Heartland 100 Course Profile

Cassoday, KS, Kansas

• Distance: 100 miles
• Elevation Gain: 5,000 ft
• Elevation Loss: 5,000 ft
• High Point: 1,600 ft
• Low Point: 1,400 ft
• Time Limit: 30 hours
• Month: October
• Finisher Rate: ~70%

A 100-mile journey through the Flint Hills tallgrass prairie of central Kansas. The gently rolling grass trails and gravel roads traverse one of the last remaining expanses of tallgrass prairie in North America, offering wide-open views and big sky running.

Aid Stations

Name	Mile	Elevation	Crew Access	Drop Bag	Cutoff
Matfield Green	20	1,500 ft	Yes	Yes	—
Bazaar	40	1,480 ft	Yes	Yes	14:00
Cottonwood Falls	60	1,520 ft	Yes	Yes	20:00
Elmdale	80	1,500 ft	Yes	Yes	25:00

Course Segments

Segment	Miles	Terrain	Difficulty	Notes
Cassoday to Matfield Green	0–20	flat	easy	Open prairie. Establish your pace.
Matfield Green to Cottonwood Falls	20–60	rolling	moderate	Gently rolling hills. Wind can be a factor.
Cottonwood Falls to Finish	60–100	rolling	moderate	Night running through the prairie. Navigation important.

View the full interactive elevation profile, 3D course flyover, and race strategy tools on HARDN.