Circuit training benefits muscle endurance by combining various exercises with minimal rest, effectively challenging muscles and increasing stamina. This method promotes the development of both aerobic and anaerobic fitness, making it ideal for comprehensive workouts that enhance heart rate and muscular strength simultaneously. Circuit training can target multiple muscle groups in a single session, promoting balanced fitness while keeping workouts engaging and time-efficient. Incorporating varied exercises also helps prevent plateauing, making it easier to achieve long-term endurance goals.