In recent years, jogging has become a popular trend. From the sharing in social media, many can easily obtain information and knowledge on how to maintain health through exercise. Many running events, from small to large, are held in a row every year. I remember that during my time in university, there was a test for physical education every semester. I really disliked the test; it was a fitness test of 800 m run for female students. Although 800 m is not a very long distance, for people who doesn't like running like me, 800 m could be the longest distance in the world! I couldn’t understand why some people like running. Isn’t it boring? Aren’t basketball or volleyball more interesting?