This is the progression of world record improvements of the 400 metres hurdles M45 division of Masters athletics.
- Key
Incomplete information Pending
Hand | Auto | Athlete | Nationality | Birthdate | Location | Date |
---|---|---|---|---|---|---|
53.57 | Aramis Diaz | Italy | 22 November 1974 | Rome | 5 September 2020 | |
53.90 | Aramis Diaz | Italy | 22 November 1974 | Padova | 29 August 2020 | |
54.92 | Edward Betts | United Kingdom | 18 February 1971 | Palencia | 9 July 2016 | |
55.18 | Guido Müller | Germany | 22 December 1938 | Malmö | 1 August 1986 | |
55.7 | Jack Greenwood | United States | 5 February 1926 | San Diego | 24 August 1972 |