Cika wannan jumla: A shekara ta 2000 Dieng ta zama mace ta farko da ta fara gasa a kasarta a wasannin Olympics na bazara lokacin da ta je wasannin Olympics na bazara na 2000 da aka gudanar a Sydney. Ta shiga cikin
Ta gudu mita 100 kuma ta gudu a cikin lokaci na 13.69 seconds, ta gama na 9 a cikin zafin ta, Heat 7 wanda aka gudanar a ranar 22 ga Satumba 2000, don haka ba ta cancanci zuwa zagaye na gaba ba. Ta kafa tarihin kasa na Mauritania na mita 100 a cikin dakika 13.29 wanda ta gudu a Jeux de la Francophonie a Ottawa, Kanada a ranar 20 ga Yuli 2001. Ta gudu da sauri a rana mai zuwa, ta sami lokaci na 11.87 seconds wanda har yanzu yana matsayin rikodin kasa na Mauritania. An shigar da ita cikin babban taron tseren tseren mita 100 na mata a Wasannin Afirka na 2011 a Maputo, Mozambique amma ba a sami sakamako ba.