This is the progression of world record improvements of the 100 metres M85 division of Masters athletics.
Key
HandAutoWindAthleteNationalityBirthdateLocationDate15.08 1.9 Hiroo Tanaka08.12.1930Akita25.06.201715.97 0.5 Yoshiyuki Shimizu 14.07.1928 Porto Alegre 19.10.201316.13Roderick Parker09.11.1918Catoosa17.07.200416.220.0Roderick Parker09.11.1918Decatur06.08.200416.161.3Giichi Suda16.09.1912Konosu23.08.199816.0 Vittorio Colo09.11.1911Santhià28.06.199716.3 Duncan McLean22.12.1884San Diego06.07.1973
References
Masters Athletics 100 m list
World Masters Athletics - Records