This is the progression of world record improvements of the 400 metres M70 division of Masters athletics.
| Hand | Auto | Athlete | Nationality | Birthdate | Age | Location | Date | |
|---|---|---|---|---|---|---|---|---|
| 57.26 | Charles Allie | 20 August 1947 | Málaga | 11 September 2018 | ||||
| 59.34 | Guido Müller | 22 December 1938 | Lahti | 28 July 2009 | ||||
| 1:00.77 | Hugh Coogan | 15 August 1935 | Nathan | 1 April 2006 | ||||
| 1:01.01 | Ralph Romain | 20 July 1932 | Carolina | 12 July 2003 | ||||
| 1:01.10 | Jim Selby | 18 July 1928 | La Jolla | 19 June 1999 | ||||
| 1:01.29 | Wilhelm Selzer | 7 May 1927 | Schweinfurt | 15 August 1997 | ||||
| 1:01.71 | Rudolf Ahrenkiel | 16 July 1920 | Herning | 24 July 1993 | ||||
| 1:02.2 | John Alexander | 6 September 1919 | 24 September 1989 | |||||
| 1:04.6 | Josiah Packard | 15 December 1903 | Gothenburg | 10 August 1977 |