As mentioned on our page on Fencing Competitions, there is no one place where you can find these listed. Below is a list of links to where you can find them.
British Fencing Following a recent change to insurance rules, where all competitions must have a BF licence, the greater majority of competitions should be listed here, but you may end up entering the competition through one of the sites below) Click the link and it will open in a new tab.
Allentries (an independent online competition entry system. It preceded the new British Fencing system)
Federation Internationale d’Escrime – (FIE) International comps if you feel brave enough! But they are often streamed online too