The Lifestyle Beginner 44 - Week Full IRON Triathlon Training is designed for the Beginning triathlete who has progressed from the Sprint distance to the Olympic triathlon distance and now desires to attempt the Half IRON distance, can handle a heavier training load, and wants to have a longer prep time to achieve a successful result as this Full IRON plan will introduce the beginning Full IRONMAN® athlete to the development of two aerobic energy systems, (V02 and Anaerobic threshold training), ...