Charles Grethen (born 2 June 1992, in Tuntange) is a Luxembourgish middle-distance runner competing primarily in the 800 and 1500 metres. He represented his country at three consecutive European Championships.
Charles Grethen (born 2 June 1992, in Tuntange) is a Luxembourgish middle-distance runner competing primarily in the 800 and 1500 metres. He represented his country at three consecutive European Championships. (en)
Charles Grethen (* 2. Juni 1992 in Tüntingen) ist ein luxemburgischer Leichtathlet, der sich auf die Mittelstreckenläufe spezialisiert hat. (de)
Charles Grethen (Tuntange, 2 giugno 1992) è un mezzofondista lussemburghese, specializzato negli 800 e nei 1500 metri piani. (it)