In the world of distance running, there is a persistent, whispering myth: Lighter is faster. It’s a siren song that leads many athletes to cut calories in hopes of hitting a PR. But here is the cold, hard truth—your body is not a calculator; it’s a biological engine. When you stop putting gas in the tank, the engine doesn’t just run slower; it starts to dismantle itself for spare parts. This physiological state is known as Low Energy Availability (LEA), and when it becomes ch

Every year, I see a familiar surge of energy in the running community. It’s not just the pre-race jitters; it's the "New Year, New Body" mentality that often creeps in alongside our marathon and half-marathon training blocks. As a sports nutritionist, I am all for ambition. I love goals. I live for optimizing performance through fuel. But I am deeply troubled by a persistent, toxic trend that seems to have a stronger chokehold on endurance athletes than any elite pacer: The

For decades, the blueprint for endurance success—the intervals, the tapering strategies, and the fueling protocols—has been built on a foundation of data derived almost exclusively from men. If you are a female runner, cyclist, or triathlete, there is a high statistical probability that the training plan you are following was designed for a body that doesn't share your hormonal profile or physiological baseline.

The immediate differences that distinguishes female athletes from male athletes is usually focused on the body size and organ...