Endurance refers to the ability to withstand prolonged physical or mental effort. It is a crucial aspect of various activities, including sports, exercise, and daily tasks. Building endurance can improve overall fitness and performance, allowing individuals to engage in activities for longer periods without fatigue. In sports, endurance is often measured through activities like running, cycling, or swimming. Athletes train to enhance their cardiovascular and muscular endurance, which helps them perform better in competitions. Techniques such as interval training and long-distance workouts are commonly used to develop this essential skill.