RunRace USA › South Dakota › Lean Horse Ultra Marathon
Lean Horse Ultra Marathon
Custer, South Dakota · Saturday, August 1, 2026 · 20 Miles, 30 Miles, 50 Mile, 100 Mile, Marathon
Official race page & registration ↗- Date
- Saturday, August 1, 2026
- Location
- Custer, South Dakota
- Distances
- 20 Miles, 30 Miles, 50 Mile, 100 Mile, Marathon
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
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See every race on the South Dakota calendar, or use the Race Finder for maps and filters.