Athletics at the 1988 Summer Olympics – Men's 400 metres
Records
These were the standing world and Olympic records (in seconds) prior to the 1988 Summer Olympics. No records were broken.

Athletics at the 1988 Summer Olympics – Men's 400 metres

Section Title: Records
Table Section Text: These were the standing world and Olympic records (in seconds) prior to the 1988 Summer Olympics. No records were broken.

World Record	43.29	United States Butch Reynolds	Zurich (SUI)	August 17, 1988

Olympic Record	43.86	United States Lee Evans	Mexico City (MEX)	October 18, 1968

Sentence(s)

Butch Reynolds had set a world record of 43.29 seconds.

final_sentence: Butch Reynolds had set a world record of 43.29 seconds.