Gym Class Heroes, the alternative hip-hop group led by charismatic frontman Travie McCoy, will perform at the New York State Fair’s Chevy Court on Sunday, Aug. 30, at 1 p.m. Rising to fame in the 2000s, Gym Class Heroes got their start in Central New York, led by McCoy, a Geneva native and rapper. McCoy and his Geneva High School classmate, Matt McGinley, first formed Gym Class Heroes in 1997.