ˈrecord-ˌholder BrE AmE noun [countable]
the person who has achieved the fastest speed, the longest distance etc in a sport:
the world long-jump record-holder
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THESAURUS
■ someone who wins something
▪ winner the person or thing that wins a race, competition etc:
A prize of £500 will be awarded to the winner.
▪ the winning team/player/horse etc the one that wins:
The winning team will go through to the grand final in Milan.
▪ champion ( also the title holder American English ) someone who has won a competition, especially in sport:
He became the heavyweight boxing champion.
▪ record-holder someone who has achieved the fastest speed, the longest distance etc in a sport:
the world high-jump record-holder