 Nyora kuenderera mberi kweiyi ndima - Mwaka wa2007 wakaona Pognon achikunda menduru yebronze pamamita makumi matanhatu pa2007 European Indoor Championships. Akanga amhanya mamita 60 mumasekonzi 6,55, zviri nani kupfuura gore rakanga rapfuura. Zvisinei, mukati memwaka wokunze haana kukwikwidza. Akadzokera kumakwikwi muna 2008, achimhanya 6.68 chete mumamita 60 mukati asi achibata 10.13 masekondi muna Chikunguru muRethimno kuti akwanise kuenda kumitambo yeOlympic muBeijing. Achikwikwidza mumakwikwi emamita 100, akaisa wechitatu mumakwikwi ake shure kwaTyrone Edgar naDarvis Patton munguva ye10.26 seconds. Akakwanisa kupinda mumutambo wechipiri umo akavandudza nguva yake kusvika pamasekonzi 10.21; zvisinei, akatadza kupinda mumakwikwi ekupedzisira sezvo akapedza ari pachinzvimbo chechina. Haana kutora chikamu mu 4 × 100 m relay, kunyange zvazvo France yakaisa boka. 