There is no such thing as “normal,” especially in Running, as everyone is on their own journey, and what works for one person, may not work for the next. That said, there are certain traits that should not go unnoticed if they occur when your training increases in volume or intensity: 1. Frequent injuries2. Irregular menstrual cycle3. Under fueling pre, during, or post running Unfortunately for a lot of individuals (especially females), the above are incredibly common, especially when there is a skewed focus on weight loss as opposed to performance. What is Red-S?Relative energy deficiency in sport, a