This is the progression of world record improvements of the 400 metres M70 division of Masters athletics.
- Key
Incomplete information Pending
| Hand | Auto | Athlete | Nationality | Birthdate | Age | Location | Date |
|---|---|---|---|---|---|---|---|
| 57.26 | Charles Allie |  United States
|
20 August 1947 | 71 years, 22 days | Málaga | 11 September 2018 | |
| 59.34 | Guido Müller |  Germany
|
22 December 1938 | 70 years, 218 days | Lahti | 28 July 2009 | |
| 1:00.77 | Hugh Coogan |  Australia
|
15 August 1935 | 70 years, 229 days | Nathan | 1 April 2006 | |
| 1:01.01 | Ralph Romain |  Trinidad and Tobago
|
20 July 1932 | 70 years, 357 days | Carolina | 12 July 2003 | |
| 1:01.10 | Jim Selby | United States
|
18 July 1928 | 70 years, 336 days | La Jolla | 19 June 1999 | |
| 1:01.29 | Wilhelm Selzer | Germany
|
7 May 1927 | 70 years, 100 days | Schweinfurt | 15 August 1997 | |
| 1:01.71 | Rudolf Ahrenkiel |  Denmark
|
16 July 1920 | 73 years, 8 days | Herning | 24 July 1993 | |
| 1:02.2 | John Alexander | United States
|
6 September 1919 | 70 years, 18 days | 24 September 1989 | ||
| 1:04.6 | Josiah Packard | United States
|
15 December 1903 | 73 years, 238 days | Gothenburg | 10 August 1977 |