Full Distance Triathlon Arizona – Tempe: Fast, Scenic, and PR-Ready Swim – 2.4 Miles (Tempe Town Lake) - Single-loop swim in calm, controlled waters of Tempe Town Lake - Floating dock entry and exit near Tempe Boat Rentals - Average water temperature: 61°F (16°C) – wetsuit-legal for most athletes Bike – 112 Miles (Fast, Scenic, and Three Loops) - Starts at Tempe Beach Park, passing through the Salt River Pima - Maricopa Indian Community - Gradual climb on Beeline Highway with a turnaround at ...