Masters M50 400 metres world record progression


This is the progression of world record improvements of the 400 metres M50 division of Masters athletics.
;Key:
HandAutoAthleteNationalityBirthdateLocationDate
51.39Fred Sowerby11.12.1948Orlando27.08.1999
51.60Guido Müller22.12.1938Hösbach03.06.1989
51.81Reginald Austin16.10.1936Melbourne04.12.1987
51.8Ron Taylor04.12.1933Swansea22.09.1986
52.24Ingo Vierk1935Rome29.06.1985
52.28Francis Peter Higgins16.11.1928Hannover01.08.1979
52.9Jack Greenwood05.02.1926Gothenburg08.08.1977