The goal line is the chalked or painted line dividing the end zone from the field of play in

gridiron football Gridiron football ( ),"Gridiron football"
''Encyclopædia Britannica'' ...

. In

American football American football, referred to simply as football in the United States and Canada and also known as gridiron football, is a team sport played by two teams of eleven players on a rectangular American football field, field with goalposts at e ...

the goal lines run parallel to the end lines, while in Canadian football they run parallel to the dead lines. In both football codes the distance is measured from the inside edge of the end line to the far edge of the goal line so that the line itself is part of the end zone. It is the line that must be crossed in order to score a

touchdown A touchdown (abbreviated as TD) is a scoring play in gridiron football. Scoring a touchdown grants the team that scored it 6 points. Whether running, passing, returning a kickoff or punt, or recovering a turnover, a team scores a touchd ...

. If any part of the ball reaches any part of the imaginary vertical plane transected by this line while in-bounds and in possession of a player whose team is striving toward that end of the field, this is considered a touchdown and scores six points for the team whose player has advanced the ball to, or recovered the ball in, this position. This is in contrast with other sports like

Association football Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 Football player, players who almost exclusively use their feet to propel a Ball (association football), ball around a rectangular f ...

and

ice hockey Ice hockey (or simply hockey in North America) is a team sport played on ice skates, usually on an Ice rink, ice skating rink with Ice hockey rink, lines and markings specific to the sport. It belongs to a family of sports called hockey. Tw ...

, which require the puck or ball to pass completely over the goal line to count as a score. If any member of the offensive team is downed while in possession of the ball behind his own team's goal line, this is called a

safety Safety is the state of being protected from harm or other danger. Safety can also refer to the control of recognized hazards in order to achieve an acceptable level of risk. Meanings The word 'safety' entered the English language in the 1 ...

and scores two points for the defensive team. If, during the course of play, a loose ball travels past the goal line and is recovered within the end zone, then it is a touchdown if recovered by the team that scores in that end zone, or a touchback if recovered and downed by the opposing team In the event of a kick recovered in one's own end zone, the entirety of the ball must pass the goal line in order for the ball to be considered a touchback, and to not be in the field of play.

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See also