Katie Ledecky

Katie Ledecky is the most dominant female distance swimmer in history, winning 14 Olympic medals (10 gold) across the 2012, 2016, 2020, and 2024 Games and holding 14 individual world records simultaneously at her peak. Her 2016 Rio 800m freestyle victory came with a margin of 11.38 seconds over silver — the largest winning margin in Olympic swimming history. At the 2024 Paris Olympics she became the most decorated American female Olympian of all time.