It was the women's equivalent of the County Championship, although it operated as a 50-over limited overs cricket competition with teams organised into a number of divisions.
[6] 2019, won by Kent, was the final season of the Championship due to a restructuring of women's cricket in England.
From 2020, the only 50-over tournament was competed by regional teams, initially in the Rachael Heyhoe Flint Trophy.
[7][16] A similar tournament, but with no national winner, was introduced ahead of the 2024 season, in the form of the ECB Women's County One-Day.
[17] The Championship operated on a league structure, with varying amounts of divisions and teams over its history.