Ironman 70.3 Washington Tri-Cities

IRONMAN 70.3 Washington Tri-Cities

IRONMAN 70.3 Washington Tri-Cities is a scheduled triathlon in Richland, Washington, United States on September 20, 2026. The event takes place in the Tri-Cities region at the confluence of the Snake, Yakima, and Columbia Rivers and uses a centralized venue with a finish at Columbia Point Park.

The course includes a downriver swim in the Columbia River, a bike route through the region's orchards and vineyards, and a run on parks and paved riverfront trails. The host region reports over 200 wineries within 50 miles, an extensive network of waterways and hiking trails, and more than 300 days of sunshine. Reported weather and water conditions for the event list a high air temperature of 78°F / 25°C, a low air temperature of 50°F / 10°C, and an average water temperature of 70°F / 21°C.

Past athlete surveys placed this event among regional Athletes' Choice Awards qualifiers, including rankings for recommendation and swim. The course is described as a downriver swim, a rolling bike through wine country, and a flat run along shaded park trails. Visit the organization's website for the most recent information.

• 1.2 mile downriver swim in the Columbia River
• 56 mile rolling bike through orchards and vineyards
• 13.1 mile flat run on parks and paved riverfront trails, finish at Columbia Point Park

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