Hydration tracking can improve athletic performance by ensuring optimal fluid levels before, during, and after exercise. Dehydration can lead to fatigue, decreased endurance, and impaired cognitive function, negatively impacting performance. By monitoring fluid intake, athletes can better maintain hydration status, preventing these adverse effects. It also helps in determining individual sweat rates, allowing for personalized hydration strategies during training and competition. Proper hydration supports cardiovascular function and thermoregulation, both crucial for peak performance. Ultimately, hydration tracking is an essential element in achieving fitness and performance goals.