Usain Bolt, Haile Gebrselassie, Florence Griffith-Joyner, Carl Lewis, or Eliud Kipchoge - the debate over the greatest athlete of all time crosses disciplines, eras, and the very definition of what athletic greatness means. This ranking is built from real votes by sports fans worldwide who have watched these athletes redefine what the human body is capable of. No pundits, no algorithms - just honest assessments from people who judge greatness by world records shattered, Olympic golds won, and sustained excellence over a career. The results update live as new votes arrive. Vote now and help settle one of sport's greatest debates.