🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaEntityQ25909368· pop 6· linked from 101 articlesCharles GrethenLuxembourgian male middle-distance runnerConnections800 metresEntityLuxembourgCountryCategories1992 births21st-century Luxembourgian sportsmenAthletes (track and field) at the 2016 Summer OlympicsAthletes (track and field) at the 2020 Summer OlympicsAthletes (track and field) at the 2023 European GamesCompetitors at the 2015 Summer UniversiadeCompetitors at the 2017 Summer UniversiadeEuropean Games competitors for LuxembourgGeorgia Bulldogs men's track and field athletesLiving peopleLuxembourgian men middle-distance runners