Heartland - Cassoday, KS

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.