 After selling out all four bouts in their first season, they were approached by the City of Saint Paul, which connected them with the Roy Wilkins Auditorium, part of the RiverCentre Complex, making them the first modern roller derby league to play in a professional sports venue, and their first sellout set the modern roller derby attendance record of 4,900 (which was beaten the next month by the Rat City Rollergirls of Seattle, who had recently begun playing in the 15,000-seat KeyArena).The Minnesota RollerGirls are founding members of the Women's Flat-Track Derby Association (WFTDA), the main governing body for flat track roller derby, and have advanced to the WFTDA Championships in 2006, 2010, 2011, and 2012.Minnesota Roller Derby's training organization includes the adult training team Minnesota Windchill (formerly Debu-Taunts) and junior training team Minnesota Frostbite.