Precursor was a fannish relaxacon held in Leicester, UK on August 19-20, 1995, the weekend before Interthingy 1. There was a Precursor 2 held in 2005 before Interthingy 2.

This is a Stub Convention page. Please extend it by adding information about the convention, including dates of each, GoHs, convention chairman, location, sponsoring organization, external links to convention pages, awards given, the program, notable events, anecdotes, pictures, scans of publications, pictures of T-shirts, etc.