Saratoga Springs, N.Y. — The National Museum of Racing and Hall of Fame will commemorate the birthday of 1973 Triple Crown winner and Hall of Fame member Secretariat with a variety of children’s activities and a special showing of the Disney film Secretariat on Saturday, March 30. The celebration will coincide with the final day of the Museum’s exhibition A Tremendous Machine: Celebrating the 50th Anniversary of Secretariat’s Triple Crown.