According to Official Guinness Records,
The largest Twister board measured 52.19 m x 48.29 m (171 ft 3 in x 158 ft 5.5 in) and was achieved by Thomas Rhett and Big Machine Label Group (USA) at the AT&T Stadium in Arlington, Texas, USA, on 23 September 2015.The Twister board was achieved using 1,200 Twister boards put together.
For a complete list of 2015 records, please visit 2015 Guinness Records in United States.