Sports in the United States for the United States. U.S. athletes have won a total of 2,522 medals (1,022 of them being gold) at the Summer Olympic Games and another 305 at the Winter Olympic Games. Most medals have been won in athletics (track and field) (801, 32%) and swimming (553, 22%). American swimmer Michael Phelps is the most decorated Olympic athlete of all time, with 28 Olympic medals, 23 of them gold. The United States has sent athletes to every celebration of the modern Olympic Games except the 1980 Summer Olympics hosted by the Soviet Union in Moscow, which it boycotted because of the
Mongolia at the Olympics Mongolia at the Olympics Mongolia first participated at the Olympic Games in 1964, and has sent athletes to compete in all but one Summer Olympic Games since then, having joined in the boycott of the 1984 Summer Olympics led by the Soviet Union. Mongolia has also participated in the Winter Olympic Games since 1964, missing only the 1976 Winter Games. Mongolian athletes have won a total of 26 medals, all in Summer Olympics competitions, in freestyle wrestling, boxing, shooting, and judo. Prior to the 2008 Summer Olympics, Mongolia had won more silver and bronze medals without winning any gold medals