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 10 exciting races across the region. Find your next race in South Dakota below and join the running community at these great events!

July 2025
Jul
12
Saturday

Lennox Lapsley's Running for Healthy Hearts

13 mi
Jul
12
Saturday

Spearfish Canyon Half Marathon

5 km 13 mi
Jul
26-27
Sa - Su

Rapid City Marathon & Half Marathon

5 km 13 mi 26 mi
Jul
26
Saturday

Haven Half Marathon, 30k & 10k

Trail Run 10 km 13 mi 30 km
August 2025
Aug
16-17
Sa - Su

Leading Ladies Marathon / Dakota Spirit Marathon

5 km 10 km 13 mi 26 mi
September 2025
Sep
13
Saturday

Mount Rushmore Half Marathon

13 mi
Sep
21
Sunday

Sioux Falls Marathon

5 km 13 mi 26 mi
October 2025
Oct
5
Sunday

Run Crazy Horse

13 mi 26 mi
Oct
5
Sunday

Palace City Kiwanis Half Marathon

5 km 10 km 13 mi
April 2026
Apr
25
Saturday

River Rat Run

5 km 10 km 13 mi
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