racer

noun
UK /ˈreɪsə/
US /ˈreɪsər/

A racer is a person or animal that runs or drives fast to win a race.

The racer crossed the finish line first.


OTHER MEANINGS

2. A fast car, bike, or other vehicle built for racing.

He keeps a red racer in his garage.

3. A type of fast snake, such as the black racer.

A racer slithered across the path.

4. A person who takes part in a contest of speed.

She is a skilled racer on the swim team.