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
Professional sports leagues in the United States each year since 2004. Major League Lacrosse (MLL) is a men's field lacrosse league consisting of nine teams in the United States. Founded in 1999, the league's inaugural season was in 2001. MLL averaged 3,844 spectators per game during the 2017 season. MLL is a semi-professional league. MLL players reportedly earn annual salaries in the $10,000–$25,000 range; players and staff generally hold other jobs. The Arena Football League is the highest level of play in the indoor/arena styles of gridiron football. The sport is played in an indoor arena on a much smaller field than American football. The league was