Mezue ahịrịokwu na-esonụ: Kevin Patrick Callan bụ onye America na-egwu mmiri asọmpi. N'afọ 2017, o ritere ọlaọcha na 4x200-meter freestyle relay na
2017 World Junior Championships. Na 2020 Summer Olympics, Callan bụ akụkụ nke 4x200-mita freestyle relay nke were ebe nke anọ.