Kammala jumla mai zuwa: An haifi Bannister a Townsville, Queensland a ranar 3 ga Oktoba 1984. Ya lashe gasar matasa ta javelin a Gasar Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Australiya a shekara ta 2001. Daga baya ya lashe manyan kyautuka biyar na kasa: a 2006, 2007, 2009, 2010, da 2012. Ya yi gasa sau biyu a Gasar Cin Kofin Duniya a Wasannin motsa jiki, inda ya kasance na goma sha ɗaya a cikin cancantar a 2007 kuma ya gama na bakwai a wasan karshe a 2011. Ya wakilci kasarsa a wasannin Olympics a 2008 da 2012,
kammala na shida a farkon kuma sanya na ashirin da bakwai a cikin matakin cancanta na karshen. Ya lashe zinare a Wasannin Commonwealth na 2010 <unk> na farko da kawai lambar yabo ta duniya a cikin aikinsa. Wannan ya sa ya zama dan Australiya na farko da ya lashe wannan gasar a kusan shekaru hamsin, ya bi sawun zakaran Alf Mitchell na 1962.