Mezue ahịrịokwu na-esonụ: Olteanu bụ onye meriri ọlaọcha na
1994 IAAF World Half Marathon Championships, setịpụrụ oge kachasị mma nke 1:09:15. O meriri na 1996 European Cross Country Championships mana a napụrụ ya aha ya n'ihi na ọ dara ule maka steroid stanozolol wee nweta mmachibido iwu asọmpi afọ abụọ maka ọgwụ doping. Mgbe mmachibido iwu ya gwụchara, a họpụtara ya ọzọ maka ndị otu egwuregwu Romania na ọkara marathon, mana enwetaghị ihe nrite. Ọ gbara asọmpi marathon mbụ ya na 2002 mana ọ lara ezumike nká na asọmpi mba ụwa na 2003.