This is the progression of world record improvements of the 400 metres M75 division of Masters athletics.
| Hand | Auto | Athlete | Nationality | Birthdate | Location | Date | |
|---|---|---|---|---|---|---|---|
| 1:02.40 | Guido Müller | 22 December 1938 | Elsenfeld | 28 June 2014 | |||
| 1:03.12 | Guido Müller | 22 December 1938 | Fürth | 2 March 2014 | |||
| 1:03.90 | Robert Lida | 11 November 1936 | Bloomington | 16 March 2012 | |||
| 1:04.10 | Hugh Coogan | 15 August 1935 | Brisbane | 5 November 2011 | |||
| 1:05.34 | Wilhelm Selzer | 7 May 1927 | Potsdam | 21 August 2002 | |||
| 1:06.88 | Lucas Nel | 20 July 1923 | Gateshead | 7 August 1999 | |||
| 1:07.51 | Antonio Chaina | 1923 | Mar del Plata | 6 September 1998 | |||
| 1:08.24 | Fritz Assmy | 11 June 1915 | Budapest | 1 July 1990 | |||
| 1:08.5 | Josiah Packard | 15 December 1903 | Santa Ana | 23 June 1979 | |||
| 1:09.9[1] | Herb Anderson[2] | Gothenburg | 9 August 1977 |