Ramba uchiverenga ndima ino - Olteanu ndiye akahwina menduru yesirivha pa1994 IAAF World Half Marathon Championships
, achigadza nhambo yakanakisisa youpenyu hwose ye 1:09:15. Akakunda mu1996 European Cross Country Championships asi akabviswa zita rake sezvo akanga akundikana kuongororwa steroid stanozolol uye akagamuchira makore maviri ekurambidzwa kukwikwidza kwe doping. Mushure mekurambidzwa kwake kwapera, akasarudzwazve kuchikwata cheRomania chenyika uye hafu yemarathon zvikwata, asi akatadza kuwana menduru. Akakwikwidza marathon yake yokutanga muna 2002 asi akabva pamakwikwi enyika dzakawanda muna 2003.