[1] Mount Washington's style of play focused on finesse and a slow-down tempo in order to counter the youth and athleticism of opposing collegiate teams.
In 1967, Mount Washington represented the United States in the inaugural World Lacrosse Championship, which it won by defeating the teams from Australia, England, and Canada.
Despite the club's protests, the officiating staff complied, and Mount Washington scored to win the game a second time.
Mount Washington and Bryn Mawr agreed to a 20-year contract to share the facilities, with the club having access at night for practice and on weekends for games.
The Mount Washington Club has been amateur throughout its history, with practices and games coming in the spare time of its players.