Cardiovascular endurance is significant in sports performance as it directly influences an athlete's ability to sustain prolonged physical activity without excessive fatigue. Improved blood flow and oxygen delivery to the muscles enhance endurance, enabling athletes to perform at higher intensities for extended periods. Sports like running, cycling, and swimming greatly benefit from superior cardiovascular fitness, resulting in improved performance outcomes. Additionally, higher endurance levels can boost recovery rates and enhance overall resilience during competitions. Thus, cardiovascular endurance is a foundational component for success in many athletic endeavors.