Timeline of women's sports in the United States Lyle Alberga, was the first of three women to play Negro league baseball, and thus the first woman to play as a regular on an American big-league professional baseball team. 1954 - The All-American Girls Professional Baseball League played its last season. 1955 - The first LPGA championship was held. 1959 - Arlene Pieper became the first woman to officially finish a marathon in the United States when she finished the Pikes Peak Marathon. 1960 - Mary McGee earns a FIM license and becomes the first official female motorcycle racer in the United States. 1961 - The WIBC Queens all-female
National Tennis League National Tennis League National Tennis Leagues (NTL) was a tour for professional male tennis players established in 1967 by George MacCall. In 1970 it was sold to the World Championship Tennis (WCT), a competing professional tennis league run by Lamar Hunt. The National Tennis League (NTL) was formed by former U.S. Davis Cup captain George MacCall in 1967, as a governing body to a US Professional tennis tour. It was key in moving tennis from a mostly amateur sport to a professional sport. In 1968 Billie Jean King became the first woman of the Open Era to sign a pro