This is the progression of world record improvements of the 4 × 400 metres relay W55 division of Masters athletics.
Key
TimeAthletesNationalityBirthdatesLocationDateRef4:23.52Sue McDonaldLisa ValleMichelle RohlRoxanne Brockner29 March 196329 April 196612 November 196527 December 1965Ames25 July 20214:27.33Julie RogersChristine AnthonyJanice EllacottVirginia Mitchell15 January 196426 January 19635 November 196029 January 1963Caorle15 September 2019
References