Masters W40 400 metres world record progression
# Masters W40 400 metres world record progression

This is the progression of world record improvements of the 400 metres W40 division of Masters athletics.

## Key

Incomplete information  Pending

| Auto | Athlete | Nationality | Birthdate | Location | Date |
| - | - | - | - | - | - |
| 52.50 | Geisa Aparecida Coutinho | Brazil | 1 June 1980 | Bragança Paulista | 9 April 2021 |
| 53.05 A | Maria Magnolia Figueiredo | Brazil | 11 November 1963 | Bogotà | 11 July 2004 |
| 53.68 A | Sara Montecinos | Chile | 8 March 1954 | Cali | 20 March 1994 |
| 55.38 | Maeve Kyle | Ireland | 6 October 1928 | Edinburgh | 22 July 1970 |
