This is the progression of world record improvements of the 80 metres hurdles W70 division of Masters athletics.
Key
HandAutoWindAthleteNationalityBirthdateLocationDate16.04 -0.9 Marianne Maier 25.12.42 Porto Alegre16.10.13 16.10 0.7 Asta Larsson 23.10.1931 Arhus30.07.200416.24 >2.0 Rosaline Sole 21.08.1915 Melbourne29.11.198717.46 Shirley Peterson 24.07.1928 28.11.199818.25 0.4 Hideko Koshikawa 02.01.1933 Carolina11.07.200318.48 1.2Shirley Peterson 24.07.1928Brisbane12.07.2001
References