Why Does the NFL Clock Sometimes Run After a Player Goes Out of Bounds?

Aug 22

2 min read

Updated: 5 hours ago

The NFL game clock stops when a runner goes out of bounds, but during much of the game it restarts before the next snap. The referee normally starts it when the ball is ready for play. Specified late half situations instead keep it stopped until the snap.

Part of Football 101. Explore the guide to choose your next topic.

The NFL game clock does stop when a runner goes out of bounds, but it does not always remain stopped until the next snap.

The important distinction is between stopping the clock and deciding when it restarts.

The restart windows

For a runner going out on a scrimmage play, the clock restarts on the next snap after a change of possession, after the first half two minute warning, and inside the final five minutes of the second half. Otherwise, the normal restart is the referee's ready signal.

This makes a boundary completion more valuable late in a half. A catch followed by a step out early in the second quarter usually buys only the interval needed to administer the next play. The same result with a minute left before halftime keeps time stopped until the offense snaps again.

The play clock remains a separate deadline. A stopped game clock does not give the offense unlimited time to choose a play.

Was the runner actually ruled out?

A runner's body can finish outside while the legal dead ball spot remains inbounds. If officials rule that forward progress stopped inbounds before the defender carried him across the boundary, the clock follows that ruling.

Likewise, sliding over the sideline after being down inbounds does not create an out of bounds result. Watch the official's signal and spot, not only where the player comes to rest.

Loose balls and incompletions are different

An incomplete forward pass normally keeps the clock stopped until the next snap regardless of these runner windows. A fumble or backward pass going out follows a different general rule: restart on the ready signal, subject to other applicable provisions.

An offense therefore cannot assume that throwing a lateral out of bounds has the same clock effect as a runner carrying the ball out. Deliberately manipulating the clock can also invoke separate fouls.

On the next sideline play, identify three things: who possessed the ball, when and where it became dead, and which timing window applies. Those facts explain most apparent inconsistencies between a player reaching the boundary and the television clock beginning to move again.