College football is gridiron football that is played by teams of amateur student-athletes at universities and colleges. It was through collegiate competition that gridiron football first gained popularity in the United States.
Navy fullback Adam Ballard (#22) rushes while being pursued by Army defenders Cason Shrode (#54) and Taylor Justice (#42) in the 2005 Army–Navy Game, a college football rivalry in the U.S.
The McGill vs. Harvard football game in Cambridge, Massachusetts in 1874; Harvard won 3–0.
Walter Camp, the "Father of American Football", then the captain of the Yale University football team, in 1878
A 1902 football game between the University of Minnesota and the University of Michigan
Gridiron football, also known as North American football, or in North America as simply football, is a family of football team sports primarily played in the United States and Canada. American football, which uses 11 players, is the form played in the United States and the best known form of gridiron football worldwide, while Canadian football, which uses 12 players, predominates in Canada. Other derivative varieties include arena football, flag football and amateur games such as touch and street football. Football is played at professional, collegiate, high school, semi-professional, and amateur levels.
A 1904 diagram of an American football field. In this period, lines were painted along the length of the field as well as the width, making a checkerboard pattern.
Commonwealth Stadium in Edmonton, a Canadian Football League field originally built for the 1978 Commonwealth Games