Buuxi weedha soo socota: Sannadkii 2009, Miller wuxuu dib ugu soo laabtay tartamada Ingiriiska, gaar ahaan tartanka 800m. Sanadkii xigay wuxuu ku daray orodka 1500m inuu ku guuleysto wuxuuna diiwaan galiyay ugu fiican shaqsi ahaan sanadkaas 4:27.47. Sanadkii 2011 wuxuu u safray Dubai si uu ugu tartamo IWAS World Junior Championships, isagoo ku guuleystay kaalinta koowaad ee 1500m iyo naxaas ah 800m. Bishii ku xigtay wuxuu joogay Jarmalka, halkaas oo uu kaalinta labaad ka galay 800m ee Olombikada Jarmalka ee Qaranka. Waxyaabaha uu sameeyay ilaa 2012 ayaa loo doortay kooxda Great Britain ee tartanka
Ciyaaraha Paralympic-ka ee xagaaga ee London. Halkaas ayuu ku tartamay orodka 1500m T37, isagoo kaalinta toddobaad ku dhammaystay 4:21.57.