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
Nigeria at the Olympics Nigeria at the Olympics Nigeria first participated in the Olympic Games in 1952, and has sent athletes to compete in every Summer Olympic Games since then, except for the boycotted 1976 Summer Olympics. The nation participated in the Winter Olympic Games in 2018, having qualified female athletes in bobsleigh and skeleton. Nigerian athletes have won a total of 24 medals, mostly in athletics and boxing. The national football team won the gold medal in 1996. In 2008, following the International Olympic Committee's decision to strip the American 4 × 400 metre relay team of their medals after Antonio Pettigrew confessed