Round | Circuit | Date | Winner | Vehicle * | Entrant |
---|---|---|---|---|---|
1 | Phoenix | 1989.04.09 | Penske PC-18 - Chevy | Team Penske | |
2 | Long Beach | 1989.04.16 | Lola T8900 - Chevy | Galles Racing | |
3 | Indianapolis | 1989.05.28 | Penske PC-18 - Chevy | Patrick Racing | |
4 | Milwaukee Mile | 1989.06.04 | Penske PC-18 - Chevy | Team Penske | |
5 | Detroit | 1989.06.18 | Penske PC-18 - Chevy | Patrick Racing | |
6 | Portland | 1989.06.25 | Penske PC-18 - Chevy | Patrick Racing | |
7 | Cleveland | 1989.07.02 | Penske PC-18 - Chevy | Patrick Racing | |
8 | Meadowlands | 1989.07.16 | Lola T8900 - Cosworth | Kraco Racing | |
9 | Toronto | 1989.07.23 | Lola T8900 - Chevy | Newman/Haas Racing | |
10 | Michigan | 1989.08.06 | Lola T8900 - Chevy | Newman/Haas Racing | |
11 | Pocono | 1989.08.20 | Penske PC-18 - Chevy | Team Penske | |
12 | Mid-Ohio Sports Car Course | 1989.09.03 | March 89P - Porsche | Porsche North America | |
13 | Elkhart Lake | 1989.09.10 | Penske PC-18 - Chevy | Team Penske | |
14 | Nazareth | 1989.09.24 | Penske PC-18 - Chevy | Patrick Racing | |
15 | Laguna Seca | 1989.10.15 | Penske PC-18 - Chevy | Team Penske |
Round | Circuit | Date | Winner | Vehicle * | Entrant |
---|---|---|---|---|---|
- | Laguna Seca | 1989.10.14 | Lola T8900 - Chevy | Galles Racing |