Lean Horse Ultra

The Lean Horse Ultra Marathon is an annual running event held in August in the scenic Black Hills of South Dakota, featuring a variety of race distances including 100 miles, 50 miles, 30 miles, and 20 miles, as well as a unique 30-mile Black Hills CrossFit Edition. The course runs along the George S. Mickelson Trail, known for its gentle climbs and beautiful landscapes. Established in 2005, the event is recognized as one of the best non-technical ultra courses in the United States, attracting runners from all over. The marathon promotes a community spirit and offers relay options for teams. Visit the organization's website for the most recent information.