Meaning of the word "race against the clock" in English

What does "race against the clock" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

race against the clock

US /reɪs əˈɡɛnst ðə klɑk/
UK /reɪs əˈɡɛnst ðə klɒk/

Idiom

to do something very quickly because there is not much time

Example:
We had to race against the clock to finish the project before the deadline.
The doctors are racing against the clock to find a cure.