Ironman Arizona

Sunday 16 November 2025
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US Tempe, Arizona, United States
Ironman Arizona has quickly become a top-rated event as some of the world's best Ironman triathletes converge on Tempe. The transition area, swim course and expo are all very close together, and thanks to the three-loop bike and run courses, race day viewing is nothing short of spectacular. Tempe Town Lake looks more like a river than a lake. It's relatively narrow, but is ready-made for a triathlon swim - spectators can follow the entire swim race by simply walking along the shore. While the water is very murky (you can barely see your hand in front of you), the cool water (about 64 degrees in 2005), is very pleasant to swim in! The three-loop - OK, three-loop-and-a-bit - bike course is surprisingly challenging thanks to the many on the course that goes through the city of Tempe and in the Salt River Pima-Maricopa Indian Community located Northeast of the city. The run course here at Ironman Arizona is the highlight of the day for the competitors. A lot of the marathon runs alongside Tempe Town Lake. This has more-than-a-few upsides: the course is very spectator friendly, is cooler because of the proximity to the water, and is also quite scenic.


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