 Jan Sekpona akaberekwa musi wa20 Chikumi 1987 muLomé mutambi weTogolese akarega basa, uyo akange akasarudzika mumamita mazana masere. Sekpona akakwanisa kupinda muchikwata cheTogolese mumakwikwi evarume emamita mazana maserepa 2004 Summer Olympics muAthens nokuwana nguva yekupinda uye yakanakisisa yega ye1:52.40. Achimhanya achipesana nevamwe vatambi vanomwe mumakwikwi matatu, Sekpona akayambuka mutsetse wekupedzisa nemaminitsi gumi kumashure kwemutungamiri Wilson Kipketer wekuDenmark aine nguva yechisere mu1:54.25. Sekpona akakundikana kuenda kumasemifinal sezvo akaiswa kure kure kubva kune maviri otomatiki slots emutambo unotevera uye akaverengerwa nhamba 70 yakazara mumatanho ekutanga. Sekpona akasarudzwawo semutakuri wemureza weTogo neNational Olympic Committee pamhemberero yekuvhura. 