This is the progression of world record improvements of the 100 metres W55 division of Masters athletics.

Key

HandAutoWindAthleteNationalityBirthdateAgeLocationDateRef12.151.9Mandy Mason16 December 1967Perth1 December 202312.241.5Julie Brims7 January 1966Canberra13 February 202112.34 -0.7Julie Brims7 January 1966Brisbane30 January 202112.801.4Nicole Alexis9 January 1960Ivry-sur-Seine20 June 201513.30 -1.3Phil Raschker21 February 1947Orono10 August 200213.430.2Brunhilde Hoffmann17 August 1939Wetzlar13 September 199513.651.3Una Adella Gore18 June 1938Miyazaki15 October 199313.84Irene Obera7 December 1933San Diego20 July 198913.6Shirley Peterson24 July 1928Christchurch21 January 198413.90Christel Franzen11 November 1928Malmö28 September 1986

References

Masters Athletics 100 m list