South Dakota Triathlon Calendar 2025-2026

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Explore the best triathlons in South Dakota for 2025-2026! Our updated list features 28 exciting races across the region. Find your next race in South Dakota below and join the running community at these great events!

May 2026
May
16
Saturday

Dash Around Kampeska Half Marathon

13 mi
May
16
Saturday

Bodies Race Company - Sioux Falls

5 km 10 km Half Marathon
June 2026
Jun
7
Sunday

Xterra Deadwood Mickelson

Trail Run 5 km Half Marathon Marathon
Jun
26-27
Fr - Sa

Black Hills 100 - Sturgis, SD

Trail Run 30 km 50 km 50 mi 100 mi
July 2026
Jul
11
Saturday

Lennox Lapsley's Running for Healthy Hearts

13 mi
Jul - Aug
31-1
Fr - Sa

Lean Horse Ultra

Trail Run 20 mi 30 mi 50 mi 100 mi
September 2026
Sep
12
Saturday

Mount Rushmore Half Marathon

Half Marathon
Sep
16-19
We - Sa

Black Hills Veteran March and Marathon

16 mi 26 mi 110 mi
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