Triathlons in Washington
Washington has 18 upcoming triathlons scheduled for 2026. Richland is the busiest city with 5 races, ahead of Medical Lake (2) and Bellingham (2).
Showing all 18
Triathlon
Medical Lake- Trailblazer Triathlon/Duathlon/5K
Medical Lake, WA
Triathlon
Medical Lake- Trailblazer Triathlon/Duathlon/5K
June 20, 2026
Medical Lake, WA
Triathlon
Trailblazer Triathlon, Duathlon & 5K
Medical Lake, WA
Triathlon
Trailblazer Triathlon, Duathlon & 5K
June 20, 2026
Medical Lake, WA
Triathlon
2026 Padden Triathlon
Bellingham, WA
Triathlon
2026 Padden Triathlon
June 27, 2026
Bellingham, WA
Triathlon
Padden Triathlon
Bellingham, WA
Triathlon
Padden Triathlon
June 27, 2026
Bellingham, WA
Triathlon
Pine Lake Triathlon
Sammamish, WA
Triathlon
Pine Lake Triathlon
June 28, 2026
Sammamish, WA
Triathlon
Righteous Richland Sprint Triathlon
Richland, WA
Triathlon
Righteous Richland Sprint Triathlon
July 11, 2026
Richland, WA
Triathlon
Titanium Man Junior Triathlon
Richland, WA
Triathlon
Titanium Man Junior Triathlon
August 1, 2026
Richland, WA
Triathlon
Plutonium Man Triathlon
Richland, WA
Triathlon
Plutonium Man Triathlon
August 29, 2026
Richland, WA
Triathlon
Tri-Cities Marathon
Richland, WA
Triathlon
Tri-Cities Marathon
October 25, 2026
Richland, WA
Top Cities for Triathlons in Washington
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.