This is the progression of world record improvements of the high jump W40 division of Masters athletics.
Key
HeightAthleteNationalityBirthdateLocationDate1.90 Romary Rifka 23.12.1970 Veracruz05.08.20111.87 Irina Mykhalchenko 20.01.1972 Yalta13.06.20121.78 Julia Machin Bennett 26.03.1970 Milton Keynes22.05.20101.76A Patricia Porter 27.08.1962 Albuquerque06.06.20041.75 Debbie Brill 10.03.1953 Victoria10.08.19961.72 Carmen Karg 19.08.1954 Buffalo16.07.19951.70 Jordanka Blagojeva 19.01.1947 Verona25.06.19881.66 Martina Lobinger 10.02.1945 Bonn21.09.19851.63 Dorothy Tyler 14.03.1920 London02.08.1961
References
Masters Athletics High Jump list