Exercises that improve cardiovascular endurance include activities such as running, cycling, swimming, and rowing. These exercises elevate the heart rate and challenge the cardiovascular system, promoting increased efficiency in oxygen delivery and utilization. High-intensity interval training (HIIT) and circuit training also enhance endurance by incorporating varied intensity levels. Group classes like spinning or dance workouts can provide motivation while developing cardiovascular stamina. Incorporating these activities into a regular fitness routine can lead to significant improvements in endurance, better overall fitness, and enhanced performance in daily tasks and sports activities.