This is the progression of world record improvements of the 400 metres M35 division of Masters athletics.
Key
HandAutoAthleteNationalityBirthdateLocationDate 44.54 Chris Brown 15.10.1978 Eugene 30.05.2015 44.59 Chris Brown 15.10.1978 Lausanne 03.07.201445.68Alvin Harrison20.01.1974Santo Domingo03.04.200945.76Ibrahima Wade06.09.1968Saint Denis23.07.200445.81Timothy Munnings22.06.1966Nassau23.06.200146.39James King09.05.1949San Diego25.05.198446.91Hugues Roger21.10.1940Villeneuve d'Ascq27.06.197647.9Uwe Lenz05.05.1940Frankfurt13.07.197547.9 Jerry Cyrus24.05.1932Port Elizabeth06.03.196848.3Dennis Shore24.05.1915Pretoria23.09.1950
References
Masters Athletics 400 m list