▁silver ▁medal ▁from ▁the ▁ 2 0 0 1 ▁World ▁Championships ▁in ▁Athletics . ▁From ▁the ▁same ▁event , ▁Mar ion ▁Jones ▁later ▁lost ▁her ▁silver ▁medal ▁for ▁do ping ▁inf ra ctions , ▁becoming ▁the ▁first ▁female ▁medal ist ▁to ▁be ▁stri pped ▁of ▁a ▁ 1 0 0   m ▁medal . ▁Ven ol yn ▁Clar ke ▁and ▁K elli ▁White ▁( a ▁women ' s ▁final ist ) ▁were ▁also ▁dis qual ified ▁that ▁year . ▁The ▁results ▁of ▁D w ain ▁Ch amb ers ▁and ▁Mont gom ery , ▁fourth ▁and ▁fifth ▁in ▁ 2 0 0 3 , ▁were ▁removed ▁for ▁do ping . ▁Two ▁women ' s ▁medal ists ▁were ▁stri pped ▁of ▁their ▁hon ours ▁for ▁do ping ▁K elli ▁White ▁lost ▁the ▁world ▁title ▁while ▁Zh anna ▁Block ▁had ▁her ▁bronze ▁medal ▁removed . ▁Block ' s ▁times ▁from ▁the ▁ 2 0 0 5 ▁edition ▁were ▁also ▁ann ul led . ▁These ▁dis qual ifications ▁were ▁a ▁result ▁of ▁the ▁B AL CO ▁sc andal , ▁which ▁included ▁many ▁ 1 0 0   m ▁run ners . ▁ ▁No ▁do ping ▁off ences ▁were ▁recorded ▁at ▁the ▁ 2 0 0 7 ▁World ▁Championships ▁ 1 0 0 ▁metres , ▁but ▁b ans ▁shortly ▁returned , ▁with ▁Ru q aya ▁Al - G has ra ▁being ▁b anned ▁from ▁the ▁ 2 0 0 9 ▁edition ▁and ▁a ▁female ▁tri o ▁of ▁In na ▁E ft im ova , ▁Sem oy ▁H ack