Started as a class project in what was likely the first filmmaking course ever taught at Harvard, Marathon documents the running of the 1964 Boston Marathon.
Released in 1965, Marathon is a documentary film (United States of America). It was directed by Joyce Chopra and Robert Gardner. The cast is led by Erich Segal and Walter Hewlett. With a runtime of 28m, the film is available in full HD.
To watch Marathon online free in HD, press Watch Now above and pick any server; the movie plays instantly on MyFlixer with no account needed. If you like documentary movies, IMAX Hubble, She's Beautiful When She's Angry and For Sama are worth adding to your list.