Mezue ahịrịokwu na-esonụ: Burkart atụfuru ohere ịgba ọsọ na 1988 Seoul Olympics n'ihi mmerụ ahụ, mana ọ laghachiri na oge kachasị mma nke 10.39 sekọnd na 1989. N'otu afọ ahụ, o meriri na 100 m "B" nke ikpeazụ na
Iko Mba Europe nke 1989. Ọ nọchitere anya Switzerland na 1990 European Athletics Indoor Championships na 1990 European Athletics Championships ma kụọ otu narị ọzọ site na 100 m kacha mma n'afọ ahụ. Ọ nwetaghị ya n'ọsọ 60 m na 1992 European Athletics Indoor Championships mana ọ nwere oge kachasị mma n'èzí nke ọrụ ya, na-esetịpụrụ 100 m kacha mma na Switzerland mba ndekọ nke 10.32 sekọnd yana 200 mita kacha mma nke 20.76 sekọnd. Nke a mere ka ọ banye n'egwuregwu Olimpik nke mbụ ya mgbe ọ dị afọ iri atọ na anọ ma bụrụ onye nke anọ na agba ọsọ abụọ ahụ. Ọ tozuru oke maka asọmpi egwuregwu ụwa nke afọ 1993 na afọ na-eso ya, mana amaliteghị n'ihi mmerụ ahụ.