Trinity is a city in Randolph County, North Carolina, United States. The population was 6,614 at the 2010 census. The community was named after Trinity College, which later became Duke University. The "World's Longest Hot Wheels Track" was built at the Kyle Petty Farm in Trinity, North Carolina, on May 9, 1999. Sealy Corporation, the worlds largest manufacturer of bedding products with sales of $1.2 billion in 2003, is headquartered in Trinity, North Carolina. Former baseball player Gil English died in Trinity, North Carolina. Trinity is also home to NASCARSprint Cup Series drivers Bobby Labonte, Brian Vickers and Kyle Petty..