Synonyms for Pacesetter:

n.

come, the blocks, ahead, dash, clock, dead heat, false start, come in, drop back, baton. smash, winner, biggie, success story, tour de force, performer, big hitter, blockbuster, a howling success. front-runner (noun)
pacemaker.
pacesetter (noun)
pacemaker, pacer.

Other synonyms:

Other relevant words:
pacemaker.