Triathlons in South Dakota
South Dakota has 8 upcoming triathlons scheduled for 2026. Watertown is the busiest city with 2 races, ahead of Aberdeen (1) and Huron (1).
Showing all 8
Triathlon
Hy-Vee Mini Triathlon
Watertown, SD
Triathlon
Hy-Vee Mini Triathlon
July 22, 2026
Watertown, SD
Triathlon
Fraternal Order of Police (F.O.P) Kid's Triathlon
Watertown, SD
Triathlon
Fraternal Order of Police (F.O.P) Kid's Triathlon
July 25, 2026
Watertown, SD
Triathlon
RavineMan / Ravine Lake Triathlon
Huron, SD
Triathlon
RavineMan / Ravine Lake Triathlon
August 2, 2026
Huron, SD
Triathlon
Oahe Family YMCA Riverman/Riverwoman Triathlon
Pierre, SD
Triathlon
Oahe Family YMCA Riverman/Riverwoman Triathlon
August 8, 2026
Pierre, SD
Triathlon
Sioux Falls Youth Triathlon
Sioux Falls, SD
Triathlon
Sioux Falls Youth Triathlon
August 8, 2026
Sioux Falls, SD
Triathlon
Southern Hills Triathlon
Angostura, SD
Triathlon
Southern Hills Triathlon
September 5, 2026
Angostura, SD
Triathlon
Southern Hills Triathlon
Hot Springs, SD
Triathlon
Southern Hills Triathlon
September 19, 2026
Hot Springs, SD
Frequently asked questions
What are the standard triathlon distances?▾
The main distances are Sprint (750m swim, 20K bike, 5K run), Olympic (1.5K swim, 40K bike, 10K run), Half-Ironman/70.3 (1.2mi swim, 56mi bike, 13.1mi run), and full Ironman (2.4mi swim, 112mi bike, 26.2mi run). Browse all distances on RACE.
What do I need for my first triathlon?▾
At minimum you need a swimsuit, goggles, a road or tri bike, helmet, running shoes, and a race belt for your number. Many beginners start with a sprint triathlon, which can be completed in 1-2 hours.
What is the difference between sprint and Olympic triathlon?▾
A sprint triathlon is roughly half the distance of an Olympic triathlon. Sprints typically take 1-1.5 hours while Olympic distance races take 2-3.5 hours. Sprints are ideal for beginners.
How do I qualify for the IRONMAN World Championship?▾
Athletes qualify by earning a slot at an IRONMAN-branded qualifying race. Each full IRONMAN event allocates slots to age group winners. The World Championship is held annually in Kailua-Kona, Hawaii.
What are the biggest triathlons in the US?▾
The SuperTri Chicago Triathlon is the largest single triathlon event with 8,000+ athletes. IRONMAN events in Texas, Florida, Lake Placid, and Arizona draw thousands. Escape From Alcatraz is a bucket-list race. Find them all on RACE.

