Pitts' lacrosse experience spans the entire spectrum of the sport: player, coach, educator, camp director, administrator and pioneer of women's lacrosse in other countries. She graduated in 1959 from St. Lawrence University where lacrosse was not offered. She played club lacrosse for the Philadelphia Bandits and the Philadelphia Women's Lacrosse Association.
Pitts was a member of the U.S. Team in 1964-66, '69, '71, '72 and '73; and a member of the U.S. Reserve Team in 1962-63, '67-68 and '74. She was also a member of the U.S. Touring Team in '64, '69 and '70. She was the head coach of the U.S. squad from 1979-87, winning the first World Cup in 1982.
Pitts is a past president and vice-president of the United States Women's Lacrosse Association and the International Federation of Women's Lacrosse Associations. She was inducted to the State of Delaware Sports Hall of Fame in 1983, and is an honorary member of the USWLA, IFWLA and the Philadelphia Women's Lacrosse Association. She has been largely responsible for the growth of women's lacrosse in Japan and Czechoslovakia.