 Nyorai kuenderera mberi kweiyi ndima - Muna Chikumi 2012 Roebuck akasimbiswa sechikamu chechikwata chevanoshambira makumi mana nevana veGreat Britain kumaOlympics a2012; akakwikwidza mumamita mazana maviri ebhatafurayi, mazana maviri emamita ega egauye 400 metres yevanhu vaviri. Mugumisiro wake wakanakisisa wakanga uri kusvika kumagumo emakwikwi evarume 200 m mumwe nomumwe. 