As an endurance athlete, you’ve likely have experienced the simple physics that body weight can have on performance. The concept seems simple: the more or less you weigh, the more or less energy it takes to ride, run, ski, etc. But that doesn’t mean it’s easy to achieve, let alone to know what weight is best for your body, your gender, your goals, etc. The purpuse of this quick article is to help YOU determine your ideal power:weight (P:W) so you can feel strong without putting yourself at risk of being malnourished.