According to scientific research, the best time for running is from 5 pm to 6 pm. Because at dusk, the oxygen concentration in the atmosphere is the highest, and people feel the most sensitive. At this time, the coordination and adaptability of the body are also the strongest, and the mental state is the best, which helps to exert their strongest physical strength; At the same time, the blood pressure and heart rate of human body are low and stable at this time. Therefore, evening is a good time to exercise.