Low energy availability (LEA) happens when you don’t eat enough to support both your training and your basic body functions. It’s not just about being hungry or tired, it’s about undereating relative to what your body needs , and it shows up in more ways than you think. And the truth is, most runners dealing with LEA aren’t doing it on purpose. Some are trying to “eat clean” or cut sugar. Others just don’t realize how much more food they need when they’re logging miles. But