This is the progression of world record improvements of the 400 metres hurdles M50 division of Masters athletics.
- Key
Incomplete information Pending
| Hand | Auto | Athlete | Nationality | Birthdate | Location | Date |
|---|---|---|---|---|---|---|
| 56.35 | Mattias Sunneborn | 
Sweden
|
27 September 1970 | Sollentuna | 13 June 2021 | |
| 56.56 | Howard Moscrop | 
United Kingdom
|
16 December 1957 | Birmingham | 5 July 2008 | |
| 58.1 | Jack Greenwood | 
United States
|
5 February 1926 | Gresham | 3 July 1976 |
References
This is the progression of world record improvements of the 400 metres hurdles M50 division of Masters athletics.
- Key
Incomplete information Pending
| Hand | Auto | Athlete | Nationality | Birthdate | Location | Date |
|---|---|---|---|---|---|---|
| 56.35 | Mattias Sunneborn |
Sweden
|
27 September 1970 | Sollentuna | 13 June 2021 | |
| 56.56 | Howard Moscrop |
United Kingdom
|
16 December 1957 | Birmingham | 5 July 2008 | |
| 58.1 | Jack Greenwood |
United States
|
5 February 1926 | Gresham | 3 July 1976 |