Rubuta ci gaba don wannan sakin layi - Silcocks ya fara gasa a wasanni a shekara ta 2009. A gasar zakarun Australiya ta 2009 AWD Underage, ya sami lambar zinare biyu. A gasar zakarun Australiya ta 2010 AWD Underage, ya sami lambar zinare uku. Ya fara wakiltar Ostiraliya a shekarar 2011. A Gasar Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin A Wasannin Arafura na 2011, ya gama na farko a wasan maza na mita 400 tare da lokacin da ya kai sakan 53.69. A zagaye na biyu, kwana biyu da suka gabata, ya cancanci na uku tare da lokaci na 55.80 seconds. Ya kuma gama na farko a tseren mita 800 tare da lokacin 2:02.95. Ya sake samun nasara a matsayin na farko a gasar maza na 1500m Ambulant tare da lokacin 4: 20.87. Ya kuma yi gasa a tseren mita 200. A gasar zakarun Australia ta 2012, ya gama na farko a tseren 800m na maza tare da lokacin 1: 59.22 kuma ya gama na farko a tseren 1500m na maza tare da lokacin 4: 05.13. An zaba shi don wakiltar Ostiraliya a Wasannin Paralympic na 2012
a wasan motsa jiki. Bai sami lambar yabo ba a Wasannin 2012.