Whakaotihia te rerenga e whai ake nei: I te tau 2006 i puta ai tana whakataetae tuatahi, i a ia e whakatakoto ana i te wa pai rawa atu o te 1: 16:48 haora hei kaihauturu tuarua i te hawhe marathon o Mazatlán me te tuhi i te wa 2: 51:32 haora i te Mexico City Marathon. I whakapai ake ia i tana wa marathon pai o te 2: 43: 21 haora i te tau e whai ake nei ka wini i te mētara hiriwa i te 5000 m i te 2007 NACAC Championships i San Salvador. I tiimata a Romero i runga i te atamira o te ao i te 2009 IAAF World Half Marathon Championships ka mutu i te 39 o nga waahi. I te tau e whai ake nei ka rere ia i te marathon pai o te 2:42:33 haora i León, Mexico i mua i te haere ki te kii i te mētara koura wahine i roto i te kaupapa i te 2010 Central American me Caribbean Games. I oma ia i tētahi hawhe marathon i te 1:14:13 haora i te
2010 IAAF World Half Marathon Championships i Nanning ki te whakaoti i te 22 o nga waahi i roto i te whakataetae wahine.