Masters W45 400 metres hurdles world record progression
# Masters W45 400 metres hurdles world record progression

This is the progression of world record improvements of the 400 metres hurdles W45 division of Masters athletics.

## Key

Incomplete information  Pending

| Auto | Athlete | Nationality | Birthdate | Location | Date |
| - | - | - | - | - | - |
| 1:01.40 | Barbara Gähling | Germany | 20.01.1965 | Köln | 02.06.2011 |
| 1:02.85 | Barbara Gähling | Germany | 20.01.1965 | Kaiserslautern | 27.06.2010 |
| 1:03.85 | Christine Müller | Switzerland | 22.07.1958 | Zürich | 18.09.2004 |
| 1:04.09 | Jan Hynes | Australia | 03.04.1944 | Sydney | 01.04.1994 |
| 1:04.35 | Marge Allison | Australia | 13.09.1944 | Brisbane | 19.10.1991 |
| 1:06.02 | Marjorie Hocknell | United Kingdom | 15.11.1943 | Eugene | 03.08.1989 |
| 1:07.33 | Annelise Damm Olesen | Denmark | 02.01.1942 | Melbourne | 05.12.1987 |
