| Runda | Tor | Data | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|
| 1 |  Long Beach | 1998.04.05 | Chevrolet Corvette |  | |
| 2 | Homestead-Miami | 1998-??-?? | Chevrolet Corvette | | |
| 3 | Lime Rock Park | 1998.05.25 | Ford Mustang | | |
| 4 | Detroit | 1998.06.06 | Chevrolet Corvette | | |
| 5 | Mid-Ohio | 1998.06.14 | Chevrolet Corvette | | |
| 6 | Minneapolis | 1998.06.28 | Chevrolet Corvette | | |
| 7 | Cleveland | 1998.07.11 | Chevrolet Corvette | | |
| 8 | Grands Rapids | 1998.07.26 | Chevrolet Corvette | | |
| 9 |  Trois-Rivières | 1998.08.02 | Chevrolet Corvette | | |
| 10 | Watkins Glen | 1998.08.08 | Chevrolet Corvette | | |
| 11 | Road America | 1998.08.16 | Chevrolet Camaro | | |
| 12 | Pikes Peak | 1998.09.27 | Ford Mustang | | |
| 13 | Houston | 1998.10.03 | Ford Mustang | |