 Omar akatanga kumiririra nyika yake pa1998 IPC Powerlifting World Championships, yakaitirwa kuDubai. Akapinda mune rimwe remapoka ezviremera zvakaderera, 44 kg, achikunda menduru yegoridhe. Pashure pokubudirira uku akasarudzwa kukwikwidza pa 2000 Summer Paralympics muSydney, Australia. Kumitambo yeSydney akakwikwidza mumakwikwi e44 kg achitora menduru yegoridhe nekusimudza 109 kg, achikunda Lucy Ogechukwu Ejike wekuNigeria. Makore mana gare gare paMitambo yeAthens, Omar akasimudzirwa kukirasi yemakirogiramu 56. Akapfuura vamwe vose nokusimudza makirogiramu 127.5. 