Dee ihe ga-aga n'ihu na paragraf a - Nina Christen (amụrụ na 7 February 1994) bụ onye egwuregwu Switzerland na-agba égbè. Ọ gbara asọmpi n'ịgba egbe ikuku dị mita iri ụmụnwaanyị
na 2016 na 2020 Summer Games, na-emeri ọla nchara na 2020. N'imeri ihe omume egbe atọ nke mita 50 na ndekọ Olympic, Christen ghọrọ onye Switzerland mbụ iji nweta ihe nrite ọla edo n'egwuregwu Olympic ụmụ nwanyị.