Conquer Happy Valley: Your Road to the Pennsylvania Half Distance Triathlon Starts Here Train smarter for one of the most scenic and rewarding races in the country—the Half Distance Triathlon in Pennsylvania, held in beautiful Bald Eagle State Park. This 36-week training plan is built specifically for competitive Masters athletes ready to race with purpose and precision. You’ll start with a 1.2-mile swim in the calm waters of Foster Joseph Sayers Lake (average temp 76°F/24°C), followed by a ...