Kammala wannan jumla: Demut ta lashe lambar farko ta kasa a Gasar Wasanni ta Jamus ta 2003 kuma ta kafa mafi kyawun mutum na 13.74 m a wannan shekara don matsayi na biyar a gasar
2003 Gasar Zakarun Turai na 'Yan Wasanni na U23. Ta sami tsalle na mita 13.96 a Stuttgart a watan Fabrairun 2004 kuma tana da matsayi na biyu a jere a Gasar Zakarun Jamus a 2004 da 2005. Lokacin kwanciyar hankali na 2006 don ita an nuna shi ta hanyar tsalle mafi kyau na waje na 13.96 m. Ta share alamar mita goma sha huɗu a karon farko a shekara mai zuwa kuma ta yi ikirarin taken ƙasa a waje da cikin gida. Demut ya sake lashe taken waje na Jamus a 2008 kuma ya zama na shida a gasar cin kofin Turai.