1 Track and field events require extremely high strength, speed and explosive power. China people are typical Asians, with a gap in strength and endurance compared with Europeans and Americans, because Asians are not as good as Europeans and Africans. It is said that Jamaicans, who are rich in sprint champions, have a special substance in their bodies that can make people's strength explode instantly, but this substance does not exist much or rarely in Asians.