Katie Ledecky
World records
Table:
No.

Event

Time

Meet

Location

Date

Age

1

1500 m freestyle

15:36.53

2013 World Championships

Barcelona, Spain

July 30, 2013

16

2

800 m freestyle

8:13.86

2013 World Championships

Barcelona, Spain

August 3, 2013

16

3

1500 m freestyle (2)

15:34.23

2014 TWST Senior Invitational

Shenandoah, Texas

June 19, 2014

17

4

800 m freestyle (2)

8:11.00

2014 TWST Senior Invitational

Shenandoah, Texas

June 22, 2014

17

5

400 m freestyle

3:58.86

2014 National Championships

Irvine, California

August 9, 2014

17

6

400 m freestyle (2)

3:58.37

2014 Pan Pacific Swimming Championships

Gold Coast, Australia

August 23, 2014

17

7

1500 m freestyle (3)

15:28.36

2014 Pan Pacific Swimming Championships

Gold Coast, Australia

August 24, 2014

17

8

1500 m freestyle (4)

15:27.71

2015 World Championships

Kazan, Russia

August 3, 2015

18

9

1500 m freestyle (5)

15:25.48

2015 World Championships

Kazan, Russia

August 4, 2015

18

10

800 m freestyle (3)

8:07.39

2015 World Championships

Kazan, Russia

August 8, 2015

18

11

800 m freestyle (4)

8:06.68

2016 Arena Pro Swim Series

Austin, Texas

January 17, 2016

18

12

400 m freestyle (3)

3:56.46

2016 Summer Olympics

Rio de Janeiro, Brazil

August 7, 2016

19

13

800 m freestyle (5)

8:04.79

2016 Summer Olympics

Rio de Janeiro, Brazil

August 12, 2016

19

14

1500 m freestyle (6)

15:20.48

2018 TYR Pro Swim Series

Indianapolis, Indiana

May 16, 2018

21

According to the following table labelled "World records" section of Katie Ledecky, provide an answer in a short sentence to the question below: With what time did Katie Ledecky break the world record in the 1500-meter freestyle and what was her previous record? Provide just your answer in a JSON object {"answer": "YOUR ANSWER"}.

answer: Ledecky broke the world record in the 1500-meter freestyle with a time of 15:34.23, bettering her previous mark of 15:36.53.