Blair County Ballpark is a stadium in Altoona, Pennsylvania. It is primarily used for baseball, and is the home field of the Altoona Curve minor league baseball team. It was built in 1999. It holds 7,212 people. The Olympia Stadium: start and finish lines visible, defining the length of one stadium (in this case 192. ... Altoona is a city located in Blair County, Pennsylvania. ... Baseball is a team sport, in which a fist-sized ball is thrown by a defensive player called a pitcher and hit by an offensive player called a batter with a round, smooth stick called a bat. ... The Altoona Curve are a minor league baseball team based in Altoona, Pennsylvania, named after nearby Horseshoe Curve. ... Minor leagues in the sense intended in this article are professional sports leagues which are not regarded as the premier leagues in those sports. ... 1999 is a common year starting on Friday of the Common Era, and was designated the International Year of Older Persons by the United Nations. ...