Mezue ahịrịokwu na-esonụ: Joseph Hunter Armstrong (amụrụ na Jenụwarị 24, 2001) bụ onye America na-egwu mmiri. Na 2020 Summer Olympics, o nwetara ihe nrite ọla edo na 4x100 mita medley relay, na-egwu mmiri n'azụ na prelims, ma mechie nke itoolu na
100 mita n'azụ.