Why Polarized Cycling Training Plan. Polarized 80/20 cyclocross plan written by tim cusick, trainingpeaks wko product leader and master coach with velocious cycling adventures.plan overview. It’s a hot topic in cycling, but it’s also the subject of widespread confusion and uncertainty.
More so it was a product of pro cycling being a business. There is almost no training in zone 2. The concept of polarized training is that rather than training moderately, we should train either really easy or very hard — at the poles of the intensity spectrum.