Ironman 70.3 Boise

JUL
25
2026
A new IRONMAN 70.3 in Boise on July 25, 2026 combines a river and reservoir swim, a hilly bike through the foothills and a flat run along the greenbelt. The race is a World Championship qualifier and highlights local scenery.
Sat 25 Jul 2026
Ironman 70.3

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IRONMAN 70.3 Boise

IRONMAN 70.3 Boise is scheduled in Boise, Idaho, United States on July 25, 2026. The race course combines open water and land sections: a swim in local river and reservoir areas, a hilly bike route through the foothills with views that include Lucky Peak Reservoir, and a flat run along the Boise greenbelt.

The event listing notes typical conditions for the date with a high air temperature around 95 °F / 35 °C, a low near 67 °F / 19 °C, and an average water temperature of about 67 °F / 19 °C. Materials also identify the race as a qualifier for the IRONMAN 70.3 World Championship and include it in IRONMAN Pro Series related listings.

Additional information highlights community support from Boise residents and a mix of urban and outdoor settings near the city. The event is presented as the inaugural IRONMAN 70.3 in the state capital and includes standard athlete resources such as an athlete guide, event schedule, and volunteer opportunities. Visit the organization's website for the most recent information.

70 mi
Ironman 70.3
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