Katie Ledecky is an American competitive swimmer, widely considered the greatest female swimmer of all time. She holds numerous world records and is a dominant force in freestyle events. Ledecky has amassed an impressive collection of nine Olympic gold medals and 21 world championship gold medals, making her the most decorated female swimmer in history. She also holds records for most individual gold medals at the World Aquatics Championships and most overall medals at the World Aquatics Championships in women's swimming. Her achievements solidify her status as one of the greatest Olympians ever.
On September 8, 1947, Ledecky's Czech-born paternal grandfather, Jaromír Ledecky, arrived in New York City as a student.
On December 30, 1956, Ledecky's Czech-born paternal grandfather Jaromír Ledecky married Berta Ruth Greenwald in Brooklyn.
In 2016, Ledecky became the first swimmer to win the 200, 400 and 800 m freestyle at the same Olympics since Debbie Meyer did so in 1968 in Mexico City.
In 2012, during Ledecky's gold medal win, she broke Janet Evans' American record of 8:16.22, which had stood since 1989.
In 2016, Ledecky's Olympic performance was compared to Amy Van Dyken's 1996 performance.
On March 17, 1997, Kathleen Genevieve Ledecky was born, marking the beginning of the life of an American competitive swimmer who would go on to achieve unprecedented success in the sport.
In 2013, with her wins in the 400 through 1500-meter titles, Ledecky became the second woman to win these events at a World Championship since Hannah Stockbauer in 2003.
In 2012, during Ledecky's gold medal win in the 800-meter freestyle, it was noted that she narrowly missed Rebecca Adlington's world record of 8:14.10 set in 2008.
In 2014, Ledecky broke Federica Pellegrini's 2009 world record in the 400-meter freestyle with a time of 3:58.86.
During the summer of 2012, Ledecky trained with the Nation's Capital Swim Club under coach Yuri Suguiyama, marking a key phase in her swimming career.
In 2012, at the London Olympic Games, a 15-year-old Ledecky made her international debut and unexpectedly won gold in the 800-meter freestyle.
In 2012, at the United States Olympic trials in Omaha, Nebraska, Ledecky made the Olympic team by winning the 800-meter freestyle and achieving other notable results, marking her first senior national competition.
In 2016, Ledecky's Olympic performance was compared to Missy Franklin's 2012 performance.
At the end of 2013, Ledecky was named the American Swimmer of the Year and the World Swimmer of the Year by Swimming World magazine, and the best female swimmer by FINA Aquatics World magazine, recognizing her outstanding achievements.
In 2013, Ledecky was named United States Olympic Committee Female Athlete of the Year.
In 2013, at the US National Championships, Ledecky qualified for multiple events at the World Aquatics Championships and achieved first-place finishes in the 400-, 800-, and 1500-meter freestyle.
In 2013, at the World Championships, Ledecky won gold in the 400-, 800-, and 1500-meter freestyle and the 4x200-meter freestyle relay, setting two world records.
In 2014, Ledecky was named international female Champion of Champions by L'Équipe.
In 2014, at the Pan Pacific Swimming Championships, Ledecky won five gold medals and broke two world records in the 400- and 1500-meter freestyles, becoming the first woman to win four individual gold medals at a single Pan Pacific Championship.
In 2014, at the US National Championships, Ledecky finished first in the 200-, 400-, and 800-meter freestyle, and set a world record in the 400-meter freestyle.
In June 2014, Ledecky broke her own world records in the 800- and 1500-meter freestyle at the Woodlands Swim Team Senior Invitational.
Prior to her first individual event at the 2016 Summer Olympics, the text mentions that Ledecky already held a previous world record in the 400m freestyle from 2014.
In 2014, the US National Championships was the qualifying meet for the 2015 World Aquatics Championships.
In 2015, Ledecky graduated from Stone Ridge School of the Sacred Heart in Bethesda, Maryland, marking a milestone in her education.
In 2015, at the World Aquatics 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 freestyles in a major competition and was named the female swimmer of the meet.
In November 2016, at the Ohio State Invitational, Ledecky lowered her American and U.S. Open marks in the women's 500-yard freestyle and 1650-yard freestyle.
In December 2016, Ledecky was chosen as one of the sponsors of the US Navy aircraft carrier USS Enterprise, alongside Simone Biles, marking a unique honor for the Olympians.
During the 2016-17 NCAA season, Ledecky set 12 NCAA records and nine American records while swimming as a freshman for Stanford University.
In 2016, Ledecky was named United States Olympic Committee Female Athlete of the Year.
In 2016, at the Arena Pro Swim Series at Austin, Ledecky reset her world record in the 800-meter freestyle, clocking a time of 8:06.68.
In 2016, at the Rio de Janeiro Olympic Games, Ledecky emerged as the most decorated female athlete, winning four gold medals, one silver medal, and setting two world records.
In 2016, at the Summer Olympics, Ledecky won a silver medal in the 4x100-meter freestyle relay, swimming the anchor leg for the United States in both the prelims and final.
Ledecky's final medal total at the 2016 Olympics was four golds and one silver.
Through the 2016 Olympics Ledecky continued to train with the Nation's Capital Swim Club under coach Bruce Gemmell.
In 2017, Ledecky was named Associated Press Female Athlete of the Year, international female Champion of Champions by L'Équipe, United States Olympic Committee Female Athlete of the Year, and Sportswoman of the Year by the Women's Sports Foundation.
In December 2020, Ledecky completed a Bachelor of Arts in psychology and a minor in political science from Stanford University, marking an important academic achievement.
In 2020, at the Tokyo Olympic Games, Ledecky became the most decorated U.S. female athlete and the first American female swimmer to win an individual event in three straight Olympiads.
In June 2021, Ledecky graduated from Stanford University, marking an important academic achievement.
In 2022, Ledecky was named Associated Press Female Athlete of the Year and ESPY Best Female Athlete.
In 2023, Ledecky won gold in the 800 meter World Championship, becoming the first swimmer to win six World Championship gold medals in the same event.
In 2024, Ledecky was awarded the Presidential Medal of Freedom by President Joe Biden.