Katie Ledecky

Kathleen Genevieve Ledecky was born on March 17, 1997, in Washington, D.C., and raised in Bethesda, Maryland. She is an American competitive swimmer who began swimming at six years old under the influence of her mother and older brother. Ledecky attended Little Flower School and graduated from Stone Ridge School of the Sacred Heart in 2015. She later attended Stanford University on an athletic scholarship, competing on the women's swimming team and graduating with a Bachelor of Arts in psychology and a minor in political science.

Ledecky made her senior national competition debut at the 2012 United States Olympic Trials, where she won the 800-meter freestyle to qualify for the London Olympic Games at age 15. At the 2012 Summer Olympics, she won her first international medal by taking gold in the 800-meter freestyle while breaking the American record. During her high school career, she set national high school records in the 200-yard freestyle and American records in the 500-yard freestyle.

Following her Olympic debut, Ledecky expanded her international achievements at the 2013 World Aquatics Championships in Barcelona, winning four gold medals in the 400-, 800-, and 1500-meter freestyles and the 4×200-meter freestyle relay, while setting two world records. In 2014, she broke world records in the 400-, 800-, and 1500-meter freestyles and won five gold medals at the Pan Pacific Swimming Championships in Gold Coast, Australia.

At the 2015 World Championships in Kazan, Russia, Ledecky won five gold medals and broke three world records. She became the first swimmer to win the 200-, 400-, 800-, and 1500-meter freestyle events at a single major competition. She continued her Olympic career at the 2016 Games in Rio de Janeiro, earning four gold medals, one silver medal, and setting two world records.

At the 2020 Olympic Games, Ledecky became the first American female swimmer to win an individual event in three straight Olympiads. In 2025, she won gold in the 800-meter freestyle at the World Championships, becoming the first swimmer to win seven World Championship gold medals in a single event. Across her career, she has accumulated 14 Olympic medals, including nine golds, making her the most decorated American woman in Olympic history.

In total, Ledecky has won 58 medals in major international competitions and broken 17 world records. She holds world records in the women's 800- and 1500-meter freestyle long course and 1500-meter freestyle short course. Her career honors include being named Swimming World's Female World Swimmer of the Year five times, Associated Press Female Athlete of the Year twice, and receiving the Presidential Medal of Freedom in 2024.