The best way to enhance cardiovascular endurance is through consistent aerobic exercise, such as running, cycling, or swimming. Gradually increasing the duration and intensity of these activities helps improve the heart's ability to pump blood efficiently, optimizing oxygen delivery to working muscles. Incorporating interval training can also be effective by alternating between high-intensity bursts and recovery periods, enhancing cardiovascular strength and stamina. Combining aerobic exercises with resistance training and cross-training ensures a well-rounded approach, maximizing endurance and overall fitness benefits.