1. against the clock - Adverb
2. against the clock - Phrase
as fast as possible; before a deadline
Source: WordNetWhen I did some Nascar races this year I noticed that I was increasingly missing the racing side, to race against each other, because in rallying you really race against the clock. Kimi Raikkonen
I have raced against the clock since I went into advertising at the age of eighteen. Jan Karon
it was a race against the clock Source: Internet
Establishing intermediate arrangements has become a race against the clock, as the transitional period should be adopted before and enter into force ahead of 1 August 2020, which is the deadline for multiple member states’ notifications to the Commission. Source: Internet
In time trial mode, players race against the clock through the same tracks that are present in Mario Kart GP mode, attempting to set the fastest time possible. Source: Internet
A group of E.W. Griffith Elementary School alumni are in a race against the clock. Source: Internet