Masters W65 300 metres hurdles world record progression

This is the progression of world record improvements of the 300 metres hurdles W65 division of Masters athletics.

Key

  Incomplete information   Pending

Hand	Auto	Athlete	Nationality	Birthdate	Age	Location	Date	Ref
	52.41	Jane Horder	Great Britain	18 January 1957	66 years, 247 days	Pescara	22 September 2023	[1]
	52.33[a]	Jane Horder	Great Britain	18 January 1957	65 years, 168 days	Tampere	5 July 2022	[2]
	52.70	Jane Horder	Great Britain	18 January 1957	65 years, 144 days	Derby	11 June 2022
	53.42	Jane Horder	Great Britain	18 January 1957	65 years, 137 days	Nuneaton	4 June 2022
	54.00	Karla Del Grande	Canada	27 March 1953	68 years, 141 days	Toronto	15 August 2021
	54.06	Marge Allison	Australia	13 September 1944	66 years, 296 days	Sacramento	6 July 2011
	55.30	Oddbjørg Haakensveen	Norway	29 April 1945	65 years, 77 days	Nyíregyháza	15 July 2010
	55.69	Rietje Dijkman	Netherlands	21 June 1939	66 years, 35 days	Edmonton	26 July 2005
	1:01.36	Renate Schaden	Austria	17 February 1939	65 years, 159 days	Arhus	25 July 2004
	1:01.79	Leili Kaas	Estonia	1 October 1934	68		2003
	1:02.45	Betty Vosburgh	United States	1931	66	San Jose	9 August 1997
	1:05.67	Isabel Hofmeyr	South Africa	4 June 1928	65 years, 131 days	Miyazaki	13 October 1993
	1:08.23	Else Laine	Finland		65	Turku	July 1991	[3]: 37 [4]: 11