Mayhem Festival 2014 was the seventh annual Mayhem Festival. Dates were announced on February 18, 2014, and lineup officially announced March 31, 2014.

The Xfinity Center is an outdoor amphitheatre located in Mansfield, Massachusetts. The venue opened during the summer of 1986 with a capacity of 12,000. It was expanded after 2000 to 19,900; 7,000 res