Ironman Arizona
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Event overview
IRONMAN Arizona is an IRONMAN triathlon held in Tempe, Arizona, United States on November 16, 2025. Registration is listed as open for this edition. The race is promoted as taking place in the "Valley of the Sun," a region noted for more than 300 days of sunshine.
The event features World Championship qualification and has received recognition in athlete surveys, placing third for Best Race in North America and third for Best Run in North America.
Course and conditions
The swim takes place in a lake. The bike and run segments are described as rolling, and the course is promoted as fast and flat, with an emphasis on opportunities for personal records. The location is described as close to resorts and visitor amenities.
Typical conditions shown for the event list air temperatures of 65°F / 18°C (high) and 53°F / 12°C (low), with an average water temperature of 63°F / 17°C. The event information also notes strong spectator support and family-friendly activities in the host area. Visit the organization's website for the most recent information.