Pumping Iron (1977) is a documentary film on the preparations for the 1975 Mr. Olympia competition. The film revolves around Arnold Schwarzenegger and his rivals Lou Ferrigno and Franco Columbu. In the film are two competitions followed, namely the Mr. Universe (for amateurs) and the Mr. Olympia (for professionals). Although Arnold Schwarzenegger has the largest role in the film, there are still several other bodybuilders who in this film, such as Lou Ferrigno, Franco Columbu, Robby Robinson, Mike Katz, Albert Beckles, Ken Waller, Frank Zane and others.