Triathlons in Oklahoma
Oklahoma has 9 upcoming triathlons scheduled for 2026. Guthrie is the busiest city with 3 races, ahead of Duncan (2) and Bartlesville (2).
Showing all 9
Triathlon
Brickyard Sprint Triathlon
Duncan, OK
Triathlon
Brickyard Sprint Triathlon
June 20, 2026
Duncan, OK
Triathlon
Chisholm Trail Triathlon
Duncan, OK
Triathlon
Chisholm Trail Triathlon
July 11, 2026
Duncan, OK
Triathlon
2026 Territorial Triathlon Series - JULY
Guthrie, OK
Triathlon
2026 Territorial Triathlon Series - JULY
July 18, 2026
Guthrie, OK
Triathlon
YMCA Tri in July - Bartlesville
Bartlesville, OK
Triathlon
YMCA Tri in July - Bartlesville
July 24, 2026
Bartlesville, OK
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.