Kammala wannan jumla: A Wasannin Olympics na 2012 a London, United Kingdom, Kpossi ya yi gasa a cikin
Yankin mita 50 na kyauta. Ta yin hakan yana da shekaru 13 da kwanaki 191, ta zama 'yar wasan Togo mafi ƙanƙanta a wasan Olympics. Ta kuma kasance mafi ƙarancin gasa daga kowace ƙasa a Wasannin 2012. A cikin gasar ta, ta yi iyo a cikin dakika 37.55 don kammala na biyu a cikin zagayenta na masu iyo uku. Lokacinta shine na biyu mafi jinkiri gabaɗaya, tare da Masempe Theko (Lesotho) kawai ya fi jinkiri. Kpossi ba ta cancanci shiga wasan kusa da na karshe ba, kuma, saboda haka, gasar ta ƙare.