Career
He competed at many of the top racetracks in the United States but for most of his career was based in Ontario where he was commonly known as John, the English language translation for his name. LeBlanc is best known for riding Jean-Louis Lévesque"s Louisiana Prevoyante through an undefeated 1972 campaign in North America. In 2006, LeBlanc received the Avelino Gomez Memorial Award, an honor given to a jockey in Canada who has made a significant contribution to the sport of Thoroughbred horse racing.