Why is the Half Iron-Distance the most popular triathlon distance? Because it is the perfect length for busy athletes with demanding career and family responsibilities. Full Iron-Distance races require such painstaking planning and sacrifice that it''s difficult to keep life in balance.The Half Iron-Distance is accessible, while remaining challenging. Also known as the "70.3" for the sum of its 1.2 mile swim, 56 mile bike ride, and 13.1 mile run, the half-iron triathlon is not simply a race for which an athlete can use a full-iron training regimen chopped in half.Doing so would in no way approach maximizing an athlete''s performance. The races are performed at completely different intensity levels, with completely different approaches. As a result, the training is completely different. IronFit Secrets to Half Iron-Distance Triathlon Success does for the half-iron what Be IronFit has done for the full-iron.It provides three sixteen-week training programs—Competitive, Intermediate, and "