After his prep career came to an end, Peterson continued competing at the international level with great success. At the
1972 Munich Olympics Peterson won gold in the
90 kg division. He followed that up with bronze at the
1973 World Championships in
Tehran and gold at the
1975 Pan American Games in
Mexico City. At the
1976 Montreal Olympics, Peterson would once again return to the podium, with silver in the
90 kg weight class. Peterson's older brother,
John Peterson, also competed in both the 1972 and 1976 Summer Olympics as a freestyle wrestler, winning a silver medal in 1972 and gold medal in 1976. At the conclusion of the Montreal Olympic games, Peterson would retire from competitive wrestling to focus on coaching. In 1976, Peterson began his coaching career as head coach at
Maranatha Baptist University in
Watertown, Wisconsin, a position he would hold for the next 27 years. In 1977, Ben along with his brother John, would start the Camp of Champs Wrestling Camps. The camp is a faith-based wrestling skills camp. Peterson was inducted into the
National Wrestling Hall of Fame as a Distinguished Member in 1986. ==Peterson Roll==