|Len Lilyholm was a member of the United States National Team who played at the World Championships in 1966 and 1967. In 1968, he was a member of the team that played at the Grenoble Olympics. In 1970, he starred for the U.S. team that won the B-Pool at the World Championships, leading the tournament with 12 assists and 20 points. Lilyholm and the Americans were back in the A-Pool at the World Championships in 1971. In 1972, he played professionally with the Minnesota Fighting Saints of the World Hockey Association. He made his final international appearance with the American team that won the B-Pool World Championship in 1974.