recordholder

or rec·ord-hold·er

[rek-erd-hohl-der]

noun

a person or thing recognized for the accomplishment of a feat to a better or greater degree than any other.

Origin of recordholder

First recorded in 1930–35; record + holder
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019