pacesetter
nounUK /ˈpeɪsˌsetə/
US /ˈpeɪsˌsɛtər/
A pacesetter is a person or thing that goes first and shows others how fast to go.
The fastest runner acted as the pacesetter for the whole group.
RELATED WORDS
OTHER MEANINGS
2. A runner who sets the speed in a race so others can follow.
The pacesetter kept a steady speed for the first half of the marathon.
3. A company or product that is the first to do something new in its field.
That phone maker is a pacesetter in battery technology.
4. A person who sets a standard of behavior or achievement for others to follow.
She was a pacesetter at school, always finishing her work first.