🏞️ Half Distance Triathlon Training Plan: Boulder-Built Fitness for Racing Boulder Whether you're targeting a personal best or aiming to finish strong, this 6-month Intermediate Training Plan—designed around the demands of the Boulder course—builds the precise fitness and mental toughness you’ll need to thrive in Iowa’s fast, flat terrain. Crafted with a professional edge and optimized for real-world results, this plan harnesses Boulder’s elevation, terrain variation, and competitive ...