pacesetter

/ˈpeɪsˌsɛtər/
noun
  1. A person or thing that leads the way or sets the standard for others to follow, especially in a competitive or innovative field.
    • She became a pacesetter in the fashion world with her bold designs.
    • The company is a pacesetter in the smartphone industry, always releasing the latest technology first.
    • As a pacesetter in education, the school introduced new teaching methods that others later adopted.
  2. A runner or competitor who sets the pace in a race, often to help others achieve a fast time.
    • The pacesetter ran the first two miles at a steady clip before dropping out.
    • The pacesetter's job is to maintain a consistent speed for the first half of the race.
    • In the Olympic trials, the pacesetter helped the field achieve record times.
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