Half Distance Triathlon Boulder Training Plan 36-Week Beginner Training Plan for Peak Race-Day Performance Training for the Half Distance Triathlon Boulder requires more than just endurance — it demands a smart, progressive plan that prepares your body and mind for every unique challenge of race day. Our 36-week beginner training plan is specifically designed to help you train with confidence, especially for Boulder’s altitude, terrain, and fast-paced course. 🏊‍♂️ Swim – 1.2 miles: Prepare ...