Full Distance Triathlon Arizona – Tempe: Fast Course, Ideal for PRs Swim – 2.4 Miles (Tempe Town Lake) One-loop swim in Tempe Town Lake, with calm, controlled waters Floating dock entry and exit near Tempe Boat Rentals Average water temperature: 61°F (16°C) Bike – 112 Miles (Fast, Scenic, Three Loops) Starts at Tempe Beach Park, heading through the Salt River Pima Maricopa Indian Community Gradual climb along Beeline Highway, with a turnaround at Shea Boulevard Fast course with smooth roads ...