The Half Distance Triathlon in Muncie, Indiana features a 1.2-mile swim at Prairie Creek Reservoir, a fast 56-mile bike course, and a rolling 13.1-mile run around the reservoir. Success on race day requires a training plan that prepares you for these specific demands. This six-month Half Distance Triathlon Training Plan is designed for competitive Masters athletes over 40 seeking structured, progressive preparation. It builds endurance, strength, and race-day confidence through evidence-based ...