Kammala wannan magana: A shekara ta 2009, tare da ƙarfinsa, Duke ya fara shiga wasanni na wasanni na wasanni. Ya yi gasa a duka F40 harbi da javelin a CP Sport Grand Prix a Nottingham da Czech Open. A cikin 2010 da kuma Nottingham Grand Prix, Duke ya shiga Berlin Open. A Berlin ya gama na huɗu a cikin faifai da harbi kuma na farko a cikin javelin, daidai da mafi kyawunsa na 29.53m. A shekara ta 2011 Duke ya dauki lambar zinare a cikin javelin a gasar IWAS ta Duniya ta Junior da aka gudanar a Dubai, kuma ya rubuta mafi kyawun mutum a cikin javelin na 33.38m a Czech Open. 2011 kuma ya ga Duke ya cancanci zuwa
IPC Wasannin Wasanni na Duniya a maza F40 <unk> javelin. Jigilarsa ta 32.64 ta ba shi lambar tagulla.