 Voltaire had a successful career as a Grand Prix show jumper, competing over 1.50 meter courses as an eight-year-old.He was especially successful in 1988, winning Nations Cup classes at Calgary, Stockholm, Lanaken, Helsinki, Wiesbaden and Wembley.In 1989 he ended his competitive career with a win at the Grand Prix of Berlin and a 2nd place in the Grand Prix of Leeuwarden.