Athlete

Katie Ledecky

American swimmer, nine-time Olympic champion, 800 m and 1500 m freestyle world record holder

All evidence

3 records, newest first. Strength changes with age and weight class, so check the date and context before you compare.

1. 2025

   • 800 m freestyle swim (long course)8:04

     CompetitionAge 282025 TYR Pro Swim Series (Fort Lauderdale)

     “800 m freestyle 8:04.12 2025 TYR Pro Swim Series Fort Lauderdale, Florida , United States May 3, 2025”

     Katie Ledecky (Wikipedia, personal bests table)Official result2025-05-03

     World record. Long course (50 m pool).

2. 2018

   • 1500 m freestyle swim (long course)15:20

     CompetitionAge 212018 TYR Pro Swim Series (Indianapolis)

     “1500 m freestyle 15:20.48 2018 TYR Pro Swim Series Indianapolis , Indiana May 16, 2018”

     Katie Ledecky (Wikipedia, personal bests table)Official result2018-05-16

     World record. Long course (50 m pool).

3. 2016

   • 100 m freestyle swim (long course)53.75 s

     CompetitionAge 182016 Arena Pro Swim Series (Austin)

     “100 m freestyle 53.75 2016 Arena Pro Swim Series Austin, Texas , United States January 15, 2016”

     Katie Ledecky (Wikipedia, personal bests table)Official result2016-01-15

     Long course (50 m pool).