What are the Fatigue, Fitness, Form Numbers in Training Peaks?

Often when people are looking at their Training Peaks data, they end up wondering what the numbers mean. What exactly are the Fatigue, Fitness, and Form numbers in Training Peaks? And even without understanding exactly what the numbers represent, the next questions become ‘why is the fitness number decreasing?’, or ‘why is my friend’s score higher?’

Don’t panic. Here, we’re going to break down what your Training Peaks Fitness Report really tells you: Click to read