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Heartland - Cassoday, KS

Cassoday, United States • 10-12 Oct 2025

The Heartland event, taking place in Cassoday, KS from October 10-12, 2025, features a variety of ultra-distance races including a 125-mile, 100-mile, 100K, 50-mile, marathon, and half marathon. The course primarily consists of backcountry gravel roads, offering stunning views of the Flint Hills tallgrass prairie. This year marks the 25th anniversary of the race, with special awards including custom finisher rings for participants. The event emphasizes community involvement, with opportunities for runners, volunteers, and spectators to engage. Aid stations and crew access points are strategically placed throughout the course to support participants. Visit the organization's website for the most recent information.

United States Kansas Cassoday

Race information

Website Registration
125 mi
6000 m+
125 Miler
100 mi
6000 m+
100 Miler
100 km
Teter Rock 100k
100 km
100k
50 mi
50 Miler
26 mi
Marathon
13 mi
1/2 Marathon
Visit the organization's website for the most recent information.
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