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Sundance to Spearfish Marathon
Sunday, September 13, 2026 · Spearfish, United States
Distances
Full
Start location
Spearfish, South Dakota
Spearfish, SD
About this race
Small but mighty. The course is almost entirely downhill, with one hill from mile 2.00 to 2.56 miles that gains 169 feet. You'll see the best of the Black Hills of Wyoming and South Dakota, making the Sundance to Spearfish Marathon a chance to push your limits and crush your goals.