Masters W85 400 metres world record progression

This is the progression of world record improvements of the 400 metres W85 division of Masters athletics.

Key

  Incomplete information   Pending

Hand	Auto	Athlete	Nationality	Birthdate	Age	Location	Date	Ref
	1:37.34	Kathleen Stewart	Great Britain	7 August 1939	85 years, 318 days	Jarrow	21 June 2025	[1]
	1:41.63	Emiko Saito	Japan	13 March 1931	86 years, 47 days	Chiba	29 April 2017
	1:49.46	Nina Naumenko	Russia	15 June 1925	86 years, 93 days	Lignano	16 September 2011
	2:07.79	Patricia Peterson	United States	14 April 1926	85 years, 83 days	Sacramento	6 July 2011
	2:11.31	Josephine Gregg	United States	1912		Tucson	1997	[2]
2:11.2 h		Matsue Nishiyama	Japan	7 March 1907		Kyoto	1992