Created by the management of 14 of the best rugby organizations in the United States, the league's goal was to create a high level, national rugby competition in the country. The competition was contested annually starting in 2007, with the largest number of clubs to have competed in the league being 18, in 2007 and 2008. In the 2011 season, the 11 teams competing were divided into two conferences, Red and Blue. The league's 2012 and last season had 9 teams, again divided into Red and Blue conferences. Most of the remaining teams after the final Rugby Super League season in 2012 entered the USA Rugby Elite Cup competition.