U.S. female swimmers historically dominant in 2018 world rankings

For the first time since 2007, the U.S. has a female swimmer ranked in the top four of every Olympic event this year.

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2018 Swammy Awards: U.S. Female Swimmer of the Year Katie Ledecky

2019 U.S. swimming rankings (women) - NBC Sports

Five female swimmers to watch at this year's World Aquatics Swimming World Cup

China dominate World Cup diving again with sweep of gold medals

Lynn Swimming Records Program-Best Finish at SSC Championship - Lynn University

Katie Ledecky Is Swimming World American Female Swimmer of the Year

Top 50 Female Athletes in Sports History

Katie Ledecky Is Once Again American Female Swimmer of the Year