Millions of dedicated runners around the world hit the road at all hours. The peak time, according to Runner’s World, is between 5 and 8pm. In hotter climates, runners beat the heat by going early in the morning (6am in India) or late at night (9pm in Taiwan). If you find yourself taking to the streets when it’s dark, be safe when you head out – and reflect light. See why wearing white might not be good enough below.