Nyorai kuenderera mberi kweiyi ndima - Pamitambo yeOlympic yezhizha ya2012 muLondon, Cielo akapedza ari wechitanhatu mumamita zana akasununguka
, ine nguva yemasekonzi 47.92. Ndarama yakaenda kuna Nathan Adrian (47.52 seconds), achiteverwa naJames Magnussen (47.53 seconds) naBrent Hayden (47.80 seconds). Pa50 metres, Cielo ndiye akakurumidza kupatsanura aine nguva yemasekonzi 22.60. Mumakwikwi emamita makumi mashanu akasununguka, uko Cielo ndiye aifarirwa kuhwina goridhe, akawana nzvimbo yekutanga mumasemifinal, akaenzana naCullen Jones, aine nguva yemasekondi 21.54. Asi mumakwikwi ekupedzisira, akapedza aine nguva yakaipisisa kupfuura mumakwikwi ekupedzisira, asi akakwanisa kuwana menduru yake yechitatu yeOlympic, menduru yebronze, nenguva yemasekondi 21.59. Akakunda akanga ari muFrench Florent Manaudou nenguva ye21.34 seconds. Nhoroondo yeOlympic yaCielo yemasekonzi 21.30 yakaiswa muna 2008 ichiripo.