South Dakota Half Marathon Calendar 2025-2026

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Explore the best half marathons in South Dakota for 2025-2026! Our updated list features 8 exciting races across the region. Find your next race in South Dakota below and join the running community at these great events!

August 2025
Aug
17
Sunday

Leading Ladies Marathon / Dakota Spirit Marathon

10 km 21 km 42 km
September 2025
Sep
13
Saturday

Mount Rushmore Half Marathon

13 mi
Sep
21
Sunday

Sioux Falls Marathon

5 km 21 km 42 km
October 2025
Oct
5
Sunday

Run Crazy Horse

13 mi 42 km
Oct
5
Sunday

Palace City Kiwanis Half Marathon

5 km 10 km 21 km
Oct
18
Saturday

Brookings Marathon

5 km 21 km 42 km
April 2026
Apr
25
Saturday

River Rat Run

5 km 10 km 21 km
May 2026
May
30-31
Sa - Su

Xterra Deadwood Mickelson

Trail Run 5 km 21 km 42 km
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