Athletics at the Summer Olympics includes Michael Phelps.
Michael Phelps . At the 2012 Summer Olympics in London , Phelps won four gold and two silver medals , and at the 2016 Summer Olympics in Rio de Janeiro , he won five gold medals and one silver . At the 2016 Summer Olympics in Rio de Janeiro , his fifth Olympics , he won five golds and one silver . Phelps was chosen to be a captain of the 2016 US Olympic team , and was also voted by his team to be the flag bearer of the United States at the 2016 Summer Olympics Parade of Nations .