In sports that use a clock, untimed play is play in which the clock does not tick. In some cases, untimed play can occur at the end of a game following the expiration of the clock, and may even be when a score occurs that decides the outcome of the game.
In gridiron football, untimed play occurs in the following situations:
All untimed downs are subject to the play clock and must commence before it expires, or else a delay of game penalty is levied.
In Basketball, untimed play occurs in the following situations: