record holder
noun [ C ] uk/ˈrek.ɔːd ˌhəʊl.dər/ us/ˈrek.ɚd ˌhoʊl.dɚ/
（尤指体育竞赛中）记录保持者
the person who has achieved the best ever result, the fastest ever time, etc., especially in a sport
Usain Bolt is the current 100 metres record holder. 尤塞恩·博尔特是目前100米跑的世界纪录保持者。