Rubuta ci gaba don wannan sakin layi - Douglas ya wakilci Birtaniya a gasar Olympics ta 2008, a cikin mita 100. A zagayen farko ta kasance ta biyu a bayan Ivet Lalova a cikin lokaci na 11.36 don ci gaba zuwa zagaye na biyu. A can ta kasa cancanta zuwa wasan kusa da na karshe kamar yadda lokacinta na 11.38 shine kawai na huɗu mafi sauri a lokacinta, wanda ya haifar da fitarwa. Ta kuma kasance cikin tawagar Burtaniya wacce ta kai wasan karshe na tseren mita 4x100
, kuma wanda (tare da tawagar Jamaica) sune suka fi so su nemi lambar yabo. Jeanette Kwakye ta yi tsere mai kyau a zagaye na farko a wasan karshe, amma tawagar Burtaniya ta kasa gamawa saboda wani rikici a canjin canji tsakanin Douglas da Emily Freeman. Jamaica kuma ta kasa gamawa bayan irin wannan kuskuren tsakanin Sherone Simpson da Kerron Stewart.