
Lean Horse Ultra
Race Date & LOCATION
August 15, 2025 at 4:15:00 PM
Mickelson Trail, Hill City, SD, USA
SCHEDULE
Friday
11:15 AM – 100M Check-In at Start Line (Custer YMCA, 644 Crook Street)
12:00 PM – 100M Start (Custer YMCA, 644 Crook Street)
12:15 PM – 4:00 PM – 20M, 30M, 50M Packet Pick-Up (Custer YMCA, 644 Crook Street)
12:15 PM – 4:00 PM – 30M, 50M Drop Bags Due (Custer YMCA, 644 Crook Street)
Saturday
5:00 AM – 50M Start at Custer Football/Track Complex
6:00 AM – BHCFE Singles Start (every 10 minutes) Start at Custer Football/Track Complex
7:00 AM – BHCFE Teams of 3 Start (every 10 minutes) Start at Custer Football/Track Complex
8:00 AM – 30M Start at Custer Football/Track Complex
8:00 AM – 20M Start at Custer Football/Track Complex
8:10 AM – BHCFE Teams of 6 Start (every 10 minutes) Start at Custer Football/Track Complex
8:00 PM – Finish Line Cut-Off Time
The Lean Horse Ultra Marathon is run in August every year in the Black Hills of South Dakota. It was first run in 2005. It features a 100-mile race, a 50-mile race, a 30-mile race, and a 20-mile race. The course is held on the George S. Mickelson Trail.
