Jesse Owens' four gold medals at the 1936 Berlin Olympics defying Hitler's ideology.
Kerri Strug's iconic vault on an injured ankle securing gymnastics gold for the USA in 1996.
Cathy Freeman lighting the cauldron and winning gold in the 400m at the 2000 Sydney Olympics.
Michael Phelps winning a record 8 gold medals in swimming at the 2008 Beijing Olympics.
Usain Bolt's lightning speed setting world records in the 100m and 200m at the 2008 Beijing Olympics.
Simone Biles' gravity-defying routines leading Team USA to gold in gymnastics at the 2016 Rio Olympics.