Half Distance 70.3 Triathlon Muncie indiana – Course Overview Swim: 1.2 Miles at Prairie Creek Reservoir The 1.2-mile swim takes place at the scenic Prairie Creek Reservoir, known for its calm waters and 73°F (23°C) average temperature. This award-winning swim course offers plenty of space for athletes to enjoy. Bike: Fast 56-Mile Out-and-Back The 56-mile bike ride follows a fast, flat out-and-back route on closed state highways and rural roads through Delaware and Henry counties. Light winds ...