The 1998 United States Road Racing Championship season was the inaugural season of the revived United States Road Racing Championship run by the Sports Car Club of America (SCCA) and also the first North American sports car endurance split era. The season involved four classes: Can-Am prototypes and three Grand Touring classes referred to at GT1, GT2, and GT3. Five races were run from January 31, 1998, to August 23, 1998.