Career
Born in Pine Bluff, Arkansas, Greene was considered a certain candidate for the 1964 Olympic team, but he suffered a muscle pull that held him to a sixth place at the Olympic Trials. At the 1968 Amateur Athletic Union Championships, Greene tied the 100 m world record twice. First in the heats he equaled the world record of 10.0, then in the second semifinal he ran 9.9, the same time which had been run by Jim Hines and Ronnie Ray Smith in the previous race.
At the Mexico Olympics, Greene felt pain in his hamstring late in the race and was third in the 100 m.
He was the fastest man in the trials and semifinals but before the final race he was injured but started anyway with a bandaged legal Following his athletic career, Greene became an Army officer, serving as sprint coach at West Point and head coach of the All-Army team
After retiring from the Army, he became a director for Special Olympics International. In 2007, Charles Greene became the sprints coach at Lincoln Northeast High School in Lincoln, Nebraska.
He coached multiple state qualifiers in his first year along with the states 3rd place 4x400 relay team of Logan Reising, Brian May, Tory Berkshire, and AJ Robinson.
