Masters W55 marathon world record progression is the progression of world record improvements of the marathon W55 division of Masters athletics. Records must be set in properly conducted, official competitions under the standing IAAF rules unless modified by World Masters Athletics.The W55 division consists of female athletes who have reached the age of 55 but have not yet reached the age of 60, so exactly from their 55th birthday to the day before their 60th birthday. Marathon running is not normally seeded into age divisions so all of these records were set in marathon race open to most other age groups.
| Time | Athlete | Nationality | Birthdate | Age | Location | Date | |
|---|---|---|---|---|---|---|---|
| 2:45:51 (2:45:27c) | Jenny Hitchings | 1 July 1963 | London | 23 April 2023 | |||
| 2:48:15 (2:48:06c) | Krishna Stanton | 18 May 1966 | London | 2 October 2022 | |||
| 2:50:40 | Jenny Hitchings | 1 July 1963 | New York City | 3 November 2019 | |||
| 2:50:33 [1] | Joan Samuelson | 16 May 1957 | Boston | 15 April 2013 | |||
| 2:51:40 | Christine Kennedy | 29 December 1954 | St. George | 2 October 2010 | |||
| 2:52:14 | Rae Baymiller | 27 July 1943 | Chicago | 11 October 1998 | |||
| 2:57:55 | Miyo Ishigami | 9 May 1934 | Tokyo | 19 November 1989 | |||
| 3:07:21 | Margaret Miller | 12 December 1925 | San Francisco | 11 July 1982 | |||
| 3:08:48 | Helen Dick | 4 August 1924 | Chicago | 28 September 1980 |
Masters Athletics Marathon list