Ku qor sii socodka faqradan - 2009, oo ay weheliso kor u qaadista awoodiisa, Duke wuxuu bilaabay inuu galo dhacdooyinka ciyaaraha fudud ee isboortiga. Wuxuu ku tartamay labadaba F40 toogashada iyo waranka ee CP Sport Grand Prix ee Nottingham iyo Czech Open. Sannadkii 2010, iyo sidoo kale Nottingham Grand Prix, Duke wuxuu sidoo kale galay Berlin Open. Magaalada Berlin wuxuu kaalinta afaraad ka galay tartanka qalinka iyo toogashada, wuxuuna kaalinta koowaad ka galay tartanka waranka, isaga oo la mid dhigay rikoodhkiisa shaqsiyeed ee 29.53m. Sanadkii 2011 Duke wuxuu ku guuleystay billad dahab ah oo ay ku guuleysteen javelin-ka IWAS World Junior Championships oo lagu qabtay Dubai, wuxuuna diiwaan galiyay rikoor shaqsiyeed oo ah 33.38m javelin-ka Czech Open. 2011 ayaa sidoo kale Duke loo aqoonsaday IPC Athletics World Championships
ragga F40 ee loo yaqaan 'javelin'. 32.64 oo uu tuuray ayaa ku guuleystay bilada naxaasta ah.