Endurance refers to the ability to withstand prolonged physical or mental effort. It is often associated with activities like running, cycling, or swimming, where individuals push their limits over extended periods. Building endurance involves training the body to utilize energy efficiently and improve cardiovascular health, allowing for better performance in various sports and daily activities. In sports science, endurance is typically categorized into two types: aerobic and anaerobic. Aerobic endurance focuses on sustained activities that rely on oxygen, such as long-distance running, while anaerobic endurance involves short bursts of high-intensity effort, like sprinting. Both types are essential for overall fitness and athletic performance.