Whakaotihia te rerenga e whai ake nei: I te 2012 Summer Olympics i Rānana, i mutu a Cielo i te 6 o nga whakataetae
Ko te 100 mita o te kāhua herekore, me te wā 47.92 hēkona. I riro te koura ki a Nathan Adrian (47.52 hēkona), i whai mai a James Magnussen (47.53 hēkona) me Brent Hayden (47.80 hēkona). I te tohu 50-mita, ko Cielo te mea tere rawa atu me te wa 22.60 hēkona. I roto i te 50 mita freestyle, i reira ko Cielo te mea tino pai ki te wikitoria koura, ko ia te tuatahi i te haurua whakamutunga, i tohaina ki a Cullen Jones, me te waa 21.54 hēkona. Engari i te whakamutunga, ka mutu ia me te wa kino atu i te rauna haurua whakamutunga, engari i taea e ia te whiwhi i tana mētara Tuatoru o te Orimipia, he parahi, me te waa 21.59 hēkona. Ko te toa ko te Frenchman Florent Manaudou me te wa o 21.34 hēkona. Ko te rekoata a Cielo mo te 21.30 hēkona i whakaturia i te tau 2008 kei te mau tonu.