World Record Progression of 4x400 Metres Relay

Mark	Competitor	Country	Venue	Date
3:01.51	Houston	USA	Clemson, SC (USA)	09 FEB 2019
3:01.77	Poland	POL	Birmingham (GBR)	04 MAR 2018
3:02.13	United States	USA	Ergo Arena, Sopot (POL)	09 MAR 2014
3:02.83	United States	USA	Green Dome, Maebashi (JPN)	07 MAR 1999
3:03.05	Germany	GER	Palacio de los Deportes, Sevilla (ESP)	10 MAR 1991
3:05.21	United States	USA	Glasgow (GBR)	10 MAR 1989
3:05.9h	Soviet Union	URS	Wien (AUT)	14 MAR 1970

Legend

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