 Gregory Billington akaberekwa musi waMay 30, 1989 mutambi wenhangemutange yeAmerica. Akaberekerwa muUnited States uye akakurira muSix Mile Bottom, England. Akafamba zvakawanda paaiva muduku apo baba vake vaishanda somurayiridzi pazvivako zvemauto zveUnited States. Akatanga kukwikwidza mu triathlon aine makore gumi uye akaisa 37th pa2016 Rio Olimpiki. 