'The Southern Hills Tri'

The Southern Hills Triathlon is a South Dakota sporting event held at Angostura Recreation Area near Hot Springs, in the Black Hills. The 2026 race is scheduled for Saturday, September 5. The event presents itself as one of the state’s premier triathlon venues, bringing athletes together for a race in a scenic natural setting. Participants can experience a sandy beach, a rolling bicycle course through neighboring ranch land, and a running path along the lakeshore. Angostura Recreation Area provides the backdrop for the event, combining open landscapes and lake views with the varied terrain of the course.

The Southern Hills Triathlon has partnered with Jazz Hands Running, which serves as its new online home for registration and event access. Through the partnership, visitors can find the Southern Hills Triathlon alongside other area marathons in one place. Registration for the 2026 event is open through JazzHandsRunning.com. The brand focuses on organizing and promoting this annual triathlon and connecting participants with practical event information and registration.