Our Beginner’s Six-Month Half Distance Triathlon Plan is purpose-built to match the course, terrain, and weather conditions you'll encounter on race day—while supporting your long-term performance goals. Race Breakdown and Course Demands 🏊 Swim – 1.2 miles in Seneca Lake Athletes begin in the calm, clear waters of Seneca Lake at the Finger Lakes Welcome Center. Water temperatures average 72°F (22°C), ideal for maintaining comfort while navigating a sun-sheltered course. 🚴 Bike – 56 miles of ...