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

  Incomplete information   Pending

Hand	Auto	Athlete	Nationality	Birthdate	Location	Date	Ref
	49.98	Ricardo Roach Gonzalez	Chile	12 October 1972	Santiago	19 October 2024	^[citation needed]
	50.51	Juan Lopez	Spain	14 May 1970	Granada	16 July 2021
	50.73	Roland Gröger	Germany	7 August 1964	Berlin	25 June 2017
	51.39	Fred Sowerby	United States	11 December 1948	Orlando	27 August 1999
	51.60	Guido Müller	Germany	22 December 1938	Hösbach	3 June 1989
	51.81	Reginald Austin	Australia	16 October 1936	Melbourne	4 December 1987
51.8		Ron Taylor	Great Britain	4 December 1933	Swansea	22 September 1986
	52.24	Ingo Vierk	Germany	1935	Rome	29 June 1985
	52.28	Francis Peter Higgins	Great Britain	16 November 1928	Hannover	1 August 1979
52.9		Jack Greenwood	United States	5 February 1926	Gothenburg	8 August 1977

References

Masters Athletics 400 m list