Half Marathons in South Dakota
As of November 1, 2026, Crewable lists 1 upcoming half marathon in South Dakota in June 2027. It is Deadwood Mickelson Trail Marathon on June 6, 2027 in Deadwood. Registration is open.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
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Quick answers
What is the next half marathon in South Dakota?
Deadwood Mickelson Trail Marathon, on Sunday, June 6, 2027, in Deadwood. Distances: Marathon, Half Marathon, 5K.
How many half marathons in South Dakota have open registration?
It lists registration as open as of November 1, 2026.
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