In 2008, the Columbus Day Duals began with 16 teams at Saint Mark's High School in Wilmington, DE. All levels of individual wrestlers and teams have attended over the years. Many of which boast individual and team national rankings. The CDD is now the LARGEST pre-season dual meet tournament in the country. In 2017, there were 76 teams on 38 mats representing 29 states. New this year, a Girls division has been added.