Full Distance Triathlon Arizona – Tempe Summary Nicknamed the Valley of the PR, this fast and scenic race in Tempe, Arizona, offers an ideal setting for personal records and late-season race-cations with 300+ days of sunshine and renowned Southwestern hospitality. Swim (2.4 miles): A single-loop swim in Tempe Town Lake, with a floating dock entry/exit and an average water temperature of 61°F (16°C). Bike (112 miles): A three-loop course that takes athletes from Tempe Beach Park through the ...