 Wilson Kosgei Kipketer akaberekwa 12 Zvita 1972 muDanish aimbove wepakati-kureba mumhanyi. Ndiye wechipiri pakumhanya kupfuura vose munhangemutange yamamita 800, achiisa chinyorwa chenyika uye achiputsa chinyorwa chake pachake kaviri muna 1997. Akatonga nhangemutange yemamita mazana masere kwemakumi gumi emakore, akaramba asina kukundwa kwemakore matatu uye achimhanya nguva sere dzenguva gumi nenomwe dzinomhanya kupfuura dzose. Akakunda menduru dzegoridhe mumitambo mitatu yakatevedzana yeIAAF World Championships muAthletics. Kunyange zvazvo akakundikana kukwikwidza muOlympics ya1996 pedyo nepamusoro pebasa rake, akawana sirivha muna 2000 uye bronzemuna 2004. Nhoroondo yenyika yaKipketer yemamita 800 yakamira kwemakore anenge 13. Yakapfuurwa musi wa22 Nyamavhuvhu 2010, apo David Rudisha akaikunda nemasekondi 0.02, achimhanya 1:41.09. Rudisha pakupedzisira aizoenderera mberi nekudzikisa pasi rekodhi yenyika ye800m kune yekutanga uye chete pasi peminiti imwe nemasekondi makumi mana nemasere. Kipketer achiri parizvino akabata rekodhi repasi rose remamita mazana masere. 