Swimming at the 2012 Summer Olympics – Women's 400 metre individual medley
Records
Prior to this competition, the existing world and Olympic records were as follows. The following records were established during the competition:

Swimming at the 2012 Summer Olympics – Women's 400 metre individual medley

Section Title: Records
Table Section Text: Prior to this competition, the existing world and Olympic records were as follows. The following records were established during the competition:

Date	Round	Name	Nationality	Time	Record

July 28	Final	Ye Shiwen	China	4:28.43	WR, OR

Sentence(s)

In the swimming at the 2012 Summer Olympics – Women's 400 metre individual medley, Ye Shiwen set the world record in a time of 4:28.43.

final_sentence: In the swimming at the 2012 Summer Olympics – Women's 400 metre individual medley, Ye Shiwen set the world record in a time of 4:28.43.