Masters W35 400 metres world record progression explained

This is the progression of world record improvements of the 400 metres W35 division of Masters athletics.

Key:

Hand	Auto	Athlete	Nationality	Birthdate	Location	Date
	49.46	Allyson Felix		18 November 1985	Tokyo	6 August 2021
	49.89	Allyson Felix		18 November 1985	Tokyo	4 August 2021
	50.02	Allyson Felix		18 November 1985	Eugene, Oregon	20 June 2021
	50.14	Novlene Williams-Mills		26 April 1982	Kingston, Jamaica	25 June 2017
	50.27	Jearl Miles Clark		4 September 1966	Madrid	20 September 2002
	50.37	Jearl Miles Clark		4 September 1966	Monaco	19 July 2002
	50.45	Jearl Miles Clark		4 September 1966	Rethymno	7 July 2002
	50.45	Jearl Miles Clark		4 September 1966	Palo Alto	8 June 2002
	50.56	Aurelia Penton		18 February 1943	Medellín	15 July 1978

References

• Masters Athletics 400 m list
• Women's all time 400 list