Theatre Trivia Tweet: Fantastick! The Fantasticks by Schmidt and Jones holds the record for the NY long run. The Fantasticks is the longest running show in the history of New York. Within 1,000 performances, how long was its first Off-Broadway run? SelectReveal Answer> It’s run record stands at 17,162 performances. Not bad for a musical so many thought would amount to nothing. Post navigation previous postNext Post