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400m Men - Records and Leading Performances
RecordTimeAthleteDate and place
WU20R43.87
United States of America
USA
LewisSteve
28 Sep 1988 - Seoul (KOR)
EU20R45.01
East Germany
GDR
SchönlebeThomas
15 Jul 1984 - Berlin (GER)
CR45.36
Great Britain & NI
GBR
BlackRoger
24 Aug 1985 - Cottbus (GER)
WU20L45.05
Botswana
BOT
SibandaKarabo
5 May 2017 - Doha (QAT)
newEU20L45.92 22 Jul 2017 - Grosseto (ITA)