The Marathon Runner (German: Der Läufer von Marathon) is a 1933 German sports film directed by Ewald André Dupont and starring Brigitte Helm, Hans Brausewetter and Ursula Grabley. It was based on a 1928 novel by Werner Scheff, adapted by screenwriter Thea von Harbou. The film focuses on a love triangle between three German athletes competing at the 1932 Olympic Games in Los Angeles. It was shot at the Johannisthal Studios in Berlin with sets designed by the art directors Ernő Metzner and Erich Zander. The German premiere took place at the Ufa-Palast am Zoo. It was the last film Dupont made in Germany, before escaping into exile following the rise to power of the Nazis.