| Termin | Name | Ort | Land |
|---|---|---|---|
| 15.03.1998 | Marlboro GP of Miami | Homestead/Miami | USA |
| 28.03.1998 | Budweiser 500 | Motegi | Japan |
| 05.04.1998 | Toyota GP of Long Beach | Long Beach | USA |
| 26.04.1998 | Bosch Spark Plug GP | Nazareth | USA |
| 10.05.1998 | Rio 400 | Rio de Janeiro | Brasilien |
| 23.05.1998 | Motorola 300 | Madison/Illinios | USA |
| 31.05.1998 | Miller 200 | West Allis/Milwaukee | USA |
| 07.06.1998 | ITT Automotive Detroit GP | Belle Isle/Detroit | USA |
| 21.06.1998 | Budweiser/G.I. Joe's 200 | Portland | USA |
| 12.07.1998 | Medic Drug GP of Cleveland | Burke Lakefront Airport | USA |
| 19.07.1998 | Molson Indy | Toronto (Kanada) | Kanada |
| 26.07.1998 | US 500 pres. by Toyota | Brooklyn/Michigan | USA |
| 09.08.1998 | Miller 200 | Mid-Ohio/Lexington | USA |
| 16.08.1998 | Texaco/Havoline 200 | Road America/Elkhart Lake | USA |
| 06.09.1998 | Molson Indy Vancouver | Vancouver | Kanada |
| 13.09.1998 | Toyota GP of Monterey | Laguna Seca | USA |
| 04.10.1998 | Houston GP | Houston/Texas | USA |
| 18.10.1998 | IndyCarnival Australia | Surfers Paradise | Australien |
| 01.11.1998 | The Marlboro 500 | Fontana | USA |