The following table shows the world record progression in the men's 50 kilometres walk, as recognised by the IAAF.
World record progression Time Athlete Date Place 4:40:15 1921-09-07 Munich, Germany 4:36:22 1924-09-24 Berlin, Germany 4:34:03 1924-10-05 Munich, Germany 4:30:22 1928-09-16 Rome, Italy 4:26:41 1936-06-28 Oslo, Norway 4:24:47 1941-08-17 Odense, Denmark 4:23:40 1946-08-04 Poděbrady, Czechoslovakia 4:23:14 1952-08-24 Poděbrady, Czechoslovakia 4:20:30 1952-08-29 Leningrad, Soviet Union 4:16:06 1954-09-12 Poděbrady, Czechoslovakia 4:07:29 1955-11-17 Tbilisi, Soviet Union 4:05:13 1956-08-10 Moscow, Soviet Union 4:03:53 1959-08-13 Moscow, Soviet Union 4:03:02 1960-10-16 Ponte San Pietro, Italy 4:01:39 1961-08-17 Leningrad, Soviet Union 4:00:50 1961-09-05 Kazan, Soviet Union 3:55:36 1965-10-17 Alma Ata, Soviet Union 3:52:45 1972-05-27 Bremen, West Germany 3:45:52 1978-04-23 Mixhuca, Mexico 3:41:20 1978-06-11 Poděbrady, Czechoslovakia 3:40:46 1983-03-13 Valencia, Spain 3:38:31 1984-07-20 Berlin, East Germany 3:38:17 1986-05-25 Potsdam, East Germany 3:37:41 1989-08-05 Leningrad, Soviet Union 3:37:26 2000-05-21 Moscow, Russia 3:36:39 2002-08-08 Munich, Germany 3:36:03 2003-08-27 Paris, France 3:35:47 2006-12-02 Geelong, Australia 3:34:14 2008-05-11 Cheboksary, Russia 3:32:33 2014-08-15 Zürich, Switzerland
Note The 3:35:29 by Russia's Denis Nizhegorodov set in Cheboksary on June 13, 2004 was not ratified by the IAAF as a World Record because no EPO test was carried out afterwards.
See also Women's 50 kilometres walk world record progression
References
IOC-site