Masters W50 400 metres world record progression
# Masters W50 400 metres world record progression

This is the progression of world record improvements of the 400 metres W50 division of Masters athletics.

## Key

Incomplete information  Pending

| Hand | Auto | Athlete | Nationality | Birthdate | Age | Location | Date |
| - | - | - | - | - | - | - | - |
| | 57.55 | Sally Cooke | United Kingdom | 9 April 1970 | 52 years, 64 days | Derby | 12 June 2022 |
| | 57.66 | Marie Lande Mathieu | Puerto Rico | 26 November 1956 | 50 years, 282 days | Riccione | 4 September 2007 |
| | 58.51 | Marge Allison | Australia | 13 September 1944 | 50 years, 312 days | Buffalo | 22 July 1995 |
| | 1:01.11 | Jan Hynes | Australia | 3 April 1944 | 50 years, 153 days | Brisbane | 3 September 1994 |
| | 1:01.82 | Brunhilde Hoffmann | Germany | 17 August 1939 | 52 years, 317 days | Kristiansand | 29 June 1992 |
| 1:02.8 | | Irene Obera | United States | 7 December 1933 | 34 years, 320 days | St. George | 22 October 1988 |
| 1:03.2 | | Anne McKenzie | South Africa | 28 July 1925 | 50 years, 79 days | Greater Point | 15 October 1975 |
