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
Canada at the Summer Olympics Canada at the Summer Olympics Canada has competed at 23 Summer Olympic Games, missing only the inaugural 1896 Summer Olympics and the boycotted 1980 Summer Olympics. The nation made its debut at the 1900 Summer Olympics. Canada competes under the IOC country code CAN. Canada has hosted the Summer Olympic Games once, in 1976 in Montreal, and the Winter Olympic Games twice, in Calgary, Alberta in 1988 and Vancouver, British Columbia in 2010. <onlyinclude> "Canada also won 1 gold medal and 1 silver medal at the 1906 Summer Olympics, which the IOC no longer recognizes as an official Olympic games,