Marblehead will hold its annual election on Monday. There are several contested races. In the selectmen’s race, incumbents Jackie Belf-Becker, Harry C. Christensen Jr., Judith R. Jacobi, Bret T. Murray, and James E. Nye will be opposed by Rose Ann Wheeler McCarthy. In the School Committee race, incumbent Kathleen E. Leonardson will be opposed by Meredith Tedford. The other contested races include those for School Committee, Abbot Public Library trustees, municipal light commissioner, Planning Board, and Housing Authority.