The largest scavenger hunt consisted of 924 participants and was organised by the University of Chicago Scavenger Hunt at the University of Chicago's campus in Chicago, Illinois, USA, on 6 May 2011.
The 924 participants were divided into 231 teams of four. The record breaking attempt took place at the 25th annual University of Chicago Scavenger Hunt.
Please note: Comments below may relate to previous holders of this record.