 She was a member of the Board of Directors of the Pierce-Pepin Holstein Breeders Association, was a graduate of the Wisconsin Rural Leadership Program, and was involved in Pierce County 4-H as a member of the Dairy Committee and a coach of the Dairy Judging Team.In 1988, Harsdorf ran for and won the seat of the 30th Assembly District in the Wisconsin State Assembly.She won a total of five consecutive elections, finishing her last term in 1999.