31kii Agoosto 2012, Firth, oo u tartamaysay Ireland ciyaartii ugu horreysay ee Paralympics, waxay ku guuleysatay billad dahab ah ciyaaraha Paralympics ee 2012 ee London
finalka orodka dhabarka ee 100 mitir ee S14 isaga oo matalaya Ireland. Firth, oo dhib ku qabta barashada, wuxuu dabaalanayay sadex sano oo qudha.