The most theatrical performances in 50 days is 60 and was achieved by Kevin Burke (USA) performing the one-man show ‘Defending the Caveman’ at the Improv Showroom at Harrah’s Hotel and Casino in Las Vegas, Nevada, USA, from 4 February to 25 March 2013.

‘Defending the Caveman is a Broadway comedy which explores the relationships between men and women, from the caveman era to the modern world.