Men's 400 metres hurdles world record progression
Progression 1912–76
"y" denotes time for 440 yards (402.34 m) which was ratified as a world record in this event

Men's 400 metres hurdles world record progression

Section Title: Progression 1912–76
Table Section Text: "y" denotes time for 440 yards (402.34 m) which was ratified as a world record in this event

Time	Auto	Athlete	Date	Location

55.0	Charles Bacon (USA)	July 22, 1908	London

54.0	Frank Loomis (USA)	August 16, 1920	Antwerp

53.8	Sten Pettersson (SWE)	October 4, 1925	Paris

52.6y	John Gibson (USA)	July 2, 1927	Lincoln

52.0	Morgan Taylor (USA)	July 4, 1928	Philadelphia

52.0	51.85	Glenn Hardin (USA)	August 1, 1932	Los Angeles

51.8	Glenn Hardin (USA)	June 30, 1934	Milwaukee

50.6	Glenn Hardin (USA)	July 26, 1934	Stockholm

50.4	Yuriy Lituyev (USSR)	September 20, 1953	Budapest

49.5	Glenn Davis (USA)	June 29, 1956	Los Angeles

49.2	Glenn Davis (USA)	August 6, 1958	Budapest

49.2	Salvatore Morale (ITA)	September 14, 1962	Belgrade

49.1	Rex Cawley (USA)	September 13, 1964	Los Angeles

48.8	48.94	Geoff Vanderstock (USA)	September 11, 1968	Echo Summit

48.1	48.12	David Hemery (GBR)	October 15, 1968	Mexico City

47.8	47.82	John Akii-Bua (UGA)	September 2, 1972	Munich

Sentence(s)

In 1972, John Akii-Bua finished the 400 metre race in a time of 47.82.

final_sentence: In 1972, John Akii-Bua finished the 400 metre race in a time of 47.82.