In the 2006 World Junior Ice Hockey Championships in British Columbia, Bourdon competed in his first of two consecutive World Junior Championships. He was named player of the game in round-robin play after a scoring a goal and an assist in a 4–0 win against Norway. He finished the tournament leading all defencemen in scoring with six points in six games and was named to the tournament's all-star team. Upon winning gold, Bourdon returned to Shippagan and showcased his medal at the local arena to crowds of supporters.