RunRace USA › South Dakota › Black Hills Backyard Ultra
Black Hills Backyard Ultra
Spearfish, South Dakota · Saturday, September 12, 2026 · Timed
Official race page & registration ↗Black Hills Backyard Ultra takes place on Saturday, September 12, 2026 in Spearfish, South Dakota. The race is run over Timed. For anyone travelling in, Rapid City is about 43 miles away.
It is one of 21 races on the South Dakota calendar that September.
- Date
- Saturday, September 12, 2026
- Location
- Spearfish, South Dakota
- Distances
- Timed
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.
Making a race weekend of it?
Stay near the start line in Spearfish: check in Sep 11, out Sep 13.
Common questions
When is Black Hills Backyard Ultra?
Black Hills Backyard Ultra is scheduled for Saturday, September 12, 2026.
Where is Black Hills Backyard Ultra held?
Black Hills Backyard Ultra is held in Spearfish, South Dakota. It is about 43 miles from Rapid City.
What distances does Black Hills Backyard Ultra offer?
The listed distances are Timed.
How do I register for Black Hills Backyard Ultra?
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
- Sep 13Sundance to Spearfish MarathonSpearfish, SD
- Sep 12Black Hills Rails to AlesHill City, SD
- Sep 12Center for Disabilities 2026 Run Walk & RollSioux Falls, SD
- Sep 12Rachel's RaceSioux Falls, SD
- Sep 20Old BaldySpearfish, SD
See every race on the South Dakota calendar, South Dakota Ultras, or use the Race Finder for maps and filters.