Where does this come from, and can I check it?

Two 10-yard end zones sit beyond it, and the field is 53 and a third yards wide. The figure is taken from National Football League, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a sports fact?

Yes. It sits on the Sports shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

An American football field is 100 yards long

Two 10-yard end zones sit beyond it, and the field is 53 and a third yards wide The field is marked every 10 yards with hash marks a yard apart for spotting the ball. Goal posts stand at the back of the end zone in the NFL, a change made in 1974 after they had been on the goal line. College football keeps narrower hash marks than the professional game. It sits in Mondo's sports collection, one of 200 facts that each trace back to the reference below.

Where this comes from

National Football League

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Sports trivia

More facts like this

The forward pass was legalised in 1906It was brought in to open up a game that had become brutal and static The first Super Bowl was played in 1967Green Bay beat Kansas City in a game not yet called the Super Bowl The NFL adopted the two-point conversion in 1994College football had used it since 1958, and the pros held out for decades The NFL first used instant replay in 1986It was dropped in 1992 and brought back in 1999 in a different form NFL players had to wear helmets from 1943The rule arrived after the league had experimented with them for a decade The NFL draft began in 1936Nine teams picked in a Philadelphia hotel to stop bidding wars for players

Tags: american-football, field, measurement

An American football field is 100 yards long: the short answers

Where does this come from, and can I check it?: Two 10-yard end zones sit beyond it, and the field is 53 and a third yards wide. The figure is taken from National Football League, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a sports fact?: Yes. It sits on the Sports shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.