Viudès won the silver medal at the 1981 European Indoor Championships, finished tenth at the 1982 European Indoor Championships and sixteenth at the 1990 European Indoor Championships. He won the gold medal at the 1989 Jeux de la Francophonie, and the bronze medal at the 1991 Mediterranean Games, He also competed at the 1991 World Championships without reaching the final. Viudès became French champion in 1979, 1981, 1982, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992 and 1993, and French indoor champion in 1981, 1984, 1988, 1990, 1992 and 1993.