Welcome to your 80/20 polarised Half Iron Distance training plan We will use the very latest techniques of polarised training to get you to the finish line in great shape and enjoy your training journey there. This plan is 20 weeks with a general phase of 11 weeks, a specific phase of 7 weeks and a 2 week taper. This plan is designed for any triathlete - beginner or experienced who needs a low volume training plan for their half Iron triathlon. Polarised training is a model which means you ...