 Nyorai kuenderera mberi kweiyi ndima - Muna Chikumi 2012 Roebuck akasimbiswa sechikamu chechikwata chevane 44 chekushambira cheGreat Britain kumaOlympics eZhizha a2012; akakwikwidza mumakwikwi emamita mazana maviri ebhatafurayi, 200 metres medley yomunhu oga uye 400 metres medley yomunhu oga. Mugumisiro wake wakanakisisa wakanga uri kusvika kumagumo emakwikwi evarume 200 m mumwe nomumwe. 