About
Get ready to join the ranks of the unstoppable at the Lean Horse Ultra Marathon, nestled in the heart of the stunning Black Hills in Custer, SD! Picture yourself conquering the challenge, with the wind in your hair and the spirit of adrenaline-fueled runners all around.
We've crafted a race that caters to the fierce competitor in you, with distances that will push you to your limits and scenery that will take your breath away. Whether you're tackling the full ultra distance or joining us for a shorter race, the experience will be unforgettable. Sign up now to secure your spot, share in the triumphs, and create memories that will last a lifetime. Be bold, be brave, be unstoppable – we can't wait to cheer you on at Lean Horse!
20 Mile, 30 Mile, 50 Mile, and 5 more
Where and when
Location: 560 Grunewaldt Dr, Custer, SD 57730, USA
Start times:
- 20 Mile: TBC
- 30 Mile: TBC
- 50 Mile: TBC
- 100 Mile: TBC
- 100 Mile Relay (up to 5 people): TBC
- 30 Mile Black Hills CrossFit Edition (Single): TBC
- 30 Mile Black Hills CrossFit Edition (Team of 3): TBC
- 30 Mile Black Hills CrossFit Edition (Team of 6): TBC
Event summary
Here are the distances available for Lean Horse Ultra Marathon

