World Record Progression of 400 Metres

Mark	Competitor	DOB	Country	Venue	Date
44.57	Kerron CLEMENT	31 OCT 1985	USA	Fayetteville, AR (USA)	12 MAR 2005
44.63	Michael JOHNSON	13 SEP 1967	USA	Atlanta, GA (USA)	04 MAR 1995
44.97	Michael JOHNSON	13 SEP 1967	USA	Reno, NV (USA)	10 FEB 1995
45.02	Danny EVERETT	01 NOV 1966	USA	Stuttgart (GER)	02 FEB 1992
45.05	Thomas SCHÖNLEBE	06 AUG 1965	GDR	Sindelfingen (GER)	05 FEB 1988
45.41	Thomas SCHÖNLEBE	06 AUG 1965	GDR	Wien (AUT)	09 FEB 1986

Legend

* Pending ratification. Mx: mixed gender race. Wo: women only race. (i): set indoor.