Half Distance Triathlon Boulder Training Plan - Unlock Your Best Race Day Performance at Altitude Ready to conquer the Half Distance Triathlon Boulder with confidence, speed, and endurance? Our 36-Week Advanced Training Blueprint is built specifically for amateur advanced triathletes targeting this challenging and fast course. Boulder isn’t just another race—it’s high altitude, fast rollers, packed dirt run trails, and a legendary endurance community. That’s why your training must be equally ...