Dee ihe na-aga n'ihu maka paragraf a - N'oge na-adịghị anya mgbe egwuregwu Olympic gasịrị, Koll setịpụrụ ihe ndekọ mba ọzọ na 400 m freestyle na 2008 European Short Course Swimming Championships, na oge nke 3:39.82. N'afọ na-eso ya, o debere oge ndekọ oge nke ise ya na Austria nke 1:43.90 site na imecha nke asatọ na ọkụ ọkụ nke ụmụ nwoke 200 m freestyle na European Short Course Swimming Championships
na Istanbul, Turkey.