The Competitive Intermediate 36-Week Half IRON Triathlon Training is designed for the Competitive Intermediate Athlete who has progressed from the Sprint distance to the Olympic triathlon distance and now desires to race the Half IRON distance, can handle a heavier training load, and has the desire to seek a podium position. Prerequisite training or base mileage is suggested as this HALF IRON plan begins with V02 Interval training in week 1. You must be able to complete an Olympic Distance ...