 Kai Sofus Marinus Jensen 25 February 1897 31 May 1997 akanga ari mutambi weDenmark uyo akakwikwidza pa1924 Summer Olympics apo, achimiririra Københavns Idræts Forening, akabviswa mu quarterfinals yevarume 400 metres, semifinals yevarume 800 metres uye yevarume 4 × 100 metres relay. Mumakwikwi okupedzisira akakwikwidzana naPoul Schiang, Henri Thorsen, naMogens Truelsen. Akaberekerwa muCopenhagen uye akafira muBirkerød pazera remakore 100. 