Sports in North America Canadian Confederation in 1867. As for the United States, it became the center of professional boxing in the early 20th century. The major world sanctioning bodies in boxing are based in North America: the International Boxing Federation (Springfield, New Jersey), the World Boxing Association (Panama City), the World Boxing Council (Mexico City), and the World Boxing Organization (San Juan, Puerto Rico). A few North American countries hold their own Triple Crown of Thoroughbred Racing series. The Triple Crown in the United States consists of the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes. The Canadian Triple Crown has the
North America City – Windsor Corridor, Golden Horseshoe – both of which are considered part of the Great Lakes Megaregion – and megalopolis of Central Mexico. Traditionally the largest megaregion has been considered the Boston-Washington, DC Corridor, or the Northeast, as the region is one massive contiguous area. Yet have allowed the Great Lakes Megalopolis to maintain status as the most populated region, being home to 53,768,125 people in 2000. The top ten largest North American metropolitan areas by population as of 2013, based on national census numbers from the United States and census estimates from Canada and Mexico. North America's GDP