Originally Posted by Sy Reene

The easiest way to find an upcoming Zwift event for women only is to go to the below link, use the filters, and 'more filters' to select "Cycling", and in the Rules section select "Ladies Only". ZWIFTHACKS EVENTS

Otherwise, Zwift "Meetups" function would work, but then the organizing of the ride is in your hands -- basically a private ride you setup and invite who you want.