Ironman 70.3 Boulder
Always double-check with the organizer's website! This page may contain affiliate links.
IRONMAN 70.3 Boulder
The event takes place on June 12, 2027, in Boulder, Colorado. IRONMAN 70.3 Boulder presents a multi-discipline course that includes a reservoir swim, a hilly bike segment, and a hilly run that follows local trails and roads near the city.
The course is set at higher elevation with rolling terrain and mountain views, framed by the Flatirons and the Rocky Mountains. The swim occurs at Boulder Reservoir, and average water temperature is listed as about 62 °F / 17 °C. Typical air temperatures for the event are shown as a high near 91 °F / 33 °C and a low near 55 °F / 13 °C.
The event listing notes eligibility features including Flex90 and designation as a 2027 IRONMAN 70.3 World Championship qualifier. The local setting includes downtown Boulder and the Pearl Street area as nearby points of interest, and the event is described as family friendly with activities for support crews.
Information provided focuses on course character, elevation influences, and local context rather than specific race start procedures or finish details. Visit the organization's website for the most recent information.
