Leclaire competed in the 2002 World Junior Ice Hockey Championships with Canada. He assumed the starting position, recording a 1.80 GAA and two shutouts over five games. Six years later, he joined Canada's men's team at the 2008 IIHF World Championship in Halifax, Nova Scotia. He played in four games, going undefeated while recording a 2.00 GAA. Canada lost in the gold medal game to Russia.