Kammala jumla mai zuwa: A Gasar Gasar Kasa ta Victoria ta 2008, Roeger ya kafa lokacin cancantar Paralympic A na 4:02.04 a cikin mita 1500. A lokacin, wannan shi ne lokaci na biyu mafi kyau da aka taɓa kafawa a duniya. Ya kuma kafa lokutan cancanta a cikin mita 800 da mita 5,000. A lokacin da yake dan shekara ashirin, ya wakilci Ostiraliya a Wasannin Paralympics na bazara na 2008. Bai sami lambar yabo a wasannin ba. Ya kafa mafi kyawun lokacinsa a tseren mita 1,500, inda ya gama a matsayi na takwas, kuma ya zo na 11 a wasan karshe na mita 5,000. Bai shiga wasan karshe a tseren mita 800 ba. An zaɓe shi don wakiltar Ostiraliya a Wasannin Paralympics na bazara na 2012 a cikin wasannin motsa jiki a cikin tseren mita 800. Horar da shi na Paralympic ya haɗa da zaman motsa jiki sau biyar a mako tare da mai da hankali kan ƙarfin ƙafa. Ya fafata a tseren tseren maza na mita 800 na T46 a
2012 London kuma amma bai samu lambar yabo ba.