RunRace USA › South Dakota › Lean Horse Ultra Marathon
Lean Horse Ultra Marathon
Custer, South Dakota · Saturday, July 31, 2027 · 100 Mile, 50 Mile, 30 Miles, 20 Miles, Marathon
Official race page & registration ↗Lean Horse Ultra Marathon takes place on Saturday, July 31, 2027 in Custer, South Dakota. The race offers 5 distances: 100 Mile, 50 Mile, 30 Miles, 20 Miles, Marathon. For anyone travelling in, Rapid City is about 31 miles away.
The 100 Mile is rare in South Dakota: only two races on the calendar offer it.
- Date
- Saturday, July 31, 2027
- Location
- Custer, South Dakota
- Distances
- 100 Mile, 50 Mile, 30 Miles, 20 Miles, Marathon
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Custer: check in Jul 30, out Aug 1.
Common questions
When is Lean Horse Ultra Marathon?
Lean Horse Ultra Marathon is scheduled for Saturday, July 31, 2027.
Where is Lean Horse Ultra Marathon held?
Lean Horse Ultra Marathon is held in Custer, South Dakota. It is about 31 miles from Rapid City.
What distances does Lean Horse Ultra Marathon offer?
The listed distances are 100 Mile, 50 Mile, 30 Miles, 20 Miles, Marathon.
How do I register for Lean Horse Ultra Marathon?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Aug 7Popsicle 5K/10K/Half - Sioux FallsSioux Falls, SD
- Aug 14The Blue MoveSioux Falls, SD
- Jun 25Black Hills 100Sturgis, SD
- Jun 6Deadwood Mickelson Trail MarathonDeadwood, SD
- May 16Sioux Falls SkedaddleSioux Falls, SD
See every race on the South Dakota calendar, South Dakota Ultras, or use the Race Finder for maps and filters.