This is the progression of world record improvements of the 100 metres W40 division of Masters athletics.
Key
HandAutoWindAthleteNationalityBirthdateLocationDate10.99 -1.2Merlene Ottey10.05.1960Thessaloniki30.08.200011.00 +1.3Merlene Ottey10.05.1960Ljubljana14.08.200011.06 -1.2Merlene Ottey10.05.1960Zürich 11.08.200011.85 1.1Zdeňka Mušinská14.04.1957Prague24.05.199712.03Phil Raschker21.02.1947Eugene14.08.198712.0 Maeve Kyle06.10.1928Belfast25.04.1970
References
Masters Athletics 100 m list