beat the clock
Verb
Meaning
(idiomatic) To perform a task or successfully complete an activity within a time limit.
(idiomatic) To be used or become operational before a deadline or date of expiration.
(idiomatic) To remain youthful; to live a long, healthy life.
Source: en.wiktionary.orgExamples
Humans all want to beat the clock but nobody ever does.
In the 1950s, game shows Beat the Clock and Truth or Consequences involved contestants in wacky competitions, stunts, and practical jokes.