Cahoy was a member of the 1980 Olympic team but did not compete because of the boycott. He participated in the 1984 Olympic trials but was hindered by injuries. A competitive attempt in 1988 was also unsuccessful because of injury.
Cahoy was a regular member of three World gymnastics teams: 1978, 1981, and 1985. He was an alternate for the 1983 squad. In 1986, he attended the Goodwill Games, where he came in fourth on pommel horse and sixth on parallel bars.[1]