(idiomatic) A difficult challenge for the person indicated, especially one involving a competitive situation.

alternative form of run circles around

To pass through the traffic light when the red light is illuminated. / (idiomatic) To enter a restricted area; to trespass. / (idiomatic) To falsely accuse someone of wrongdoing.

(computing) A simple data compression scheme in which sequences of the same item are replaced by one such item and a count (so for example the text BBBBB is stored as a single B with count of 5).

plural of run-length encoding

(idiomatic, sports) To waste time at the end of a match such that it is terminated by running out of time, or during a match so a time penalty is made less severe.

(idiomatic) Contrary to the flow of the game.

(idiomatic, intransitive) To run down the clock.

(idiomatic, transitive) To force someone out of a place or a position.

To come to a natural end.