Main > Men, 400 m > World Championships Records Progression
All records considered statistically valid, but some of them, were unratified for various reasons.
   - Record was ratified           *   - Record was repeated
 
46.19 Sunder Nix USA Helsinki Aug 07, 1983
46.11 Bert Cameron JAM Helsinki Aug 07, 1983
45.74 Harmut Weber FRG Helsinki Aug 07, 1983
45.57 Michael Franks USA Helsinki Aug 08, 1983
45.44 Michael Franks USA Helsinki Aug 09, 1983
45.05 Bert Cameron JAM Helsinki Aug 10, 1983
45.03 Derek Redmond GBR Rome Aug 31, 1987
44.81 Thomas Schönlebe GDR Rome Aug 31, 1987
44.26 Innocent Egbunike NGR Rome Sep 01, 1987
43.65 Michael Johnson USA Stuttgart Aug 17, 1993
43.39 Michael Johnson USA Göteborg Aug 09, 1995
43.18 Michael Johnson USA Seville Aug 26, 1999