Improving cardiovascular endurance can be achieved through various aerobic activities such as running, cycling, swimming, or interval training. Gradually increasing the duration and intensity of these exercises helps enhance the heart's efficiency and oxygen uptake. Incorporating a mix of long, steady-state sessions and high-intensity interval training (HIIT) can be particularly effective. Additionally, maintaining consistency in workouts and incorporating rest days for recovery is essential to avoid burnout and overtraining. A well-rounded approach supports ongoing improvements in endurance and overall cardiovascular health.