Ben Peterson grew up with his older brother John on in Comstock, Wisconsin. He learned wrestling in high school and at Iowa State University. His coach was there Harold Nichols. In U.S. high school wrestling, he twice won the NCAA (American University Sports Association ) Division I title three times and the NCAA Division I All-American title. About the qualifications of the AAU (American athletes Union) he reached a place in the Olympic Games in 1972 in Munich, where he worked in convincing style in his first major international tournament, Olympic champion in the light heavyweight (up to 90 kg body weight), Freestyle, was. His brother John won a weight class lower the silver medal. At the 1976 Olympic Games in Montreal both turned to the result, because now Ben won a silver medal, while John was Olympic champion. A third start at the Olympic Games in 1980 prevented the policy.
Since 1980, he coached at Maranatha Baptist Bible College in Watertown, Wisconsin young wrestlers. In 1985 one of his students, Mike Houck, world champion in Greco- Roman wrestling.
(OS = Olympic Games, WM = World Championship, F = Freestyle, Hs = light heavyweight, up to 90 kg body weight, S = Heavy weight up to 100 kg body weight)