In 2010, a category of youth sports tourism was just beginning to build steam. Now, according to MSNBC, it’s the fastest growing segment in the industry.Youth sports tourism is the traveling teams that go from tournament to tournament across the country, many during summer break, for another level of competition.Professionals estimate at least 35 million kids between 5 and 18 currently play an organized sport each year in the United States. Of that, 21 million are involved in non-school youth sports, which have been expanding.