This is the progression of world record improvements of the 100 metres W85 division of Masters athletics.
- Key
Incomplete information Wind aided Pending
| Hand | Auto | Wind | Athlete | Nationality | Birthdate | Age | Location | Date |
|---|---|---|---|---|---|---|---|---|
| 17.97 | (−0.8 m/s) | Kathy Bergen |  United States | 24 December 1939 | 85 years, 206 days | Huntsville | 18 July 2025 | |
| 18.14 | 0.0 | Christa Bortignon |  Canada | 29 January 1937 | 85 years, 196 days | Surrey | 13 August 2022 | |
| 18.49 | +0.6 | Christa Bortignon | Canada | 29 January 1937 | 85 years, 98 days | Eugene | 7 May 2022 | |
| 18.45 | +1.3 | Christa Bortignon | Canada | 29 January 1937 | 85 years, 85 days | Delta | 24 April 2022 | |
| 19.37 | +0.5 | Emiko Saito |  Japan | 13 March 1931 | 87 years, 222 days | Tokyo | 21 October 2018 | |
| 19.38 | +0.5 | Emiko Saito | Japan | 13 March 1931 | 86 years, 244 days | Kofu | 12 November 2017 | |
| 19.82 | +0.9 | Emiko Saito | Japan | 13 March 1931 | 85 years, 140 days | Chiba | 31 July 2016 | |
| 19.83 | 0.0 | Mitsu Morita | Japan | 1923 | 85 | Nagayama | 20 July 2008 | |
| 21.18 | +0.3 | Nora Wedemo |  Sweden | 19 April 1913 | 86 years, 124 days | Norrtälje | 21 August 1999 | |
| 23.78 | +0.1 | Isobel Saumier Cunningham | Canada | 17 February 1914 | 85 years, 124 days | Toronto | 21 June 1999 |