pacesetter

US /ˈpeɪsˌset.ər/
UK /ˈpeɪsˌset.ər/
"pacesetter" picture
1.

a person, organization, or country that is the most progressive or successful and serves as a model or leader for others.

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The company is a pacesetter in sustainable technology.
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She was a pacesetter in the field of medical research.
:
leaderpioneertrailblazerinnovatortrendsetter
2.

a runner who sets the pace in a race, especially to help another runner achieve a fast time.

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The marathon runner relied on the pacesetter to maintain a consistent speed.
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The pacesetter dropped out after the first 10 kilometers.
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pacemakerrabbit