| 400m | 45.29 | GASKIN, JR. Wendell |  USA | 17 Jul 1994 | Knoxville, United States |
| 400m | 45.62 | GASKIN, JR. Wendell | USA | 09 Jul 1994 | Edwardsville, United States |
| 400m | 47.06 | BRUECHER Marc |  FRG | 01 Aug 1987 | München, Germany |
| 400m | 47.0 | BOND III Leo | USA | 24 Jul 1977 | Bucharest, Romania |
| 400m | 47.5 | BOND III Leo | USA | 27 Jul 1973 | Malmö, Sweden |
| 400m | 47.5 | POLLAKOWSKI Gert |  GDR | 27 Jul 1973 | Malmö, Sweden |
| 400m | 47.6 | BOND III Leo | USA | 14 Jun 1973 | Washington, United States |
| 400m | 48.0 | DAMBERGS Nikolajs |  URS | 13 Aug 1969 | Belgrade, Serbia |
| 400m | 48.9 | DZHURUK Leonid | URS | 01 Jul 1965 | Washington, United States |
| 400m | 49.7 | WERNIMONT Dennis | USA | 28 Aug 1957 | Milan, Italy |
| 400m | 49.7 | PEDERSEN Willy |  DEN | 28 Aug 1957 | Milan, Italy |
| 400m | 49.8 | PEDERSEN Willy | DEN | 27 Aug 1957 | Milan, Italy |
| 400m | 50.6 | PEDERSEN Willy | DEN | 22 Jun 1957 | Copenhagen, Denmark |
| 400m | 50.8 | HILLE Christian |  GER | 17 Jun 1957 | Malmö, Sweden |
| 400m | 51.1 | PEDERSEN Willy | DEN | 13 Jun 1957 | Copenhagen, Denmark |
| 400m | 51.3 | BAATH Bertil |  SWE | 04 Aug 1945 | Turku, Finland |
| 400m | 51.6 | BAATH Bertil | SWE | 27 Aug 1939 | Stockholm, Sweden |
| 400m | 51.7 | BAATH Bertil | SWE | 07 Aug 1939 | Stockholm, Sweden |
| 400m | 52.2 | MILBRADT Kurt | GER | 21 Aug 1935 | London, Great Britain |
| 400m | 52.8 | MILBRADT Kurt | GER | 19 Aug 1935 | London, Great Britain |
| 400m | 53.4 | FRUERLUND Louis | DEN | 23 Aug 1931 | Nuremberg, Germany |
| 400m | 54.8 | KRAEMER Fritz | GER | 20 Aug 1928 | Amsterdam, Netherlands |
| 400m | 56.4 | RIEDINGER Maurice |  FRA | 14 Aug 1924 | Paris, France |