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1990 Marlboro Challenge     Post Exhibition or unclassified race Saturday, October 6, 1990 at Pennsylvania International Raceway, Nazareth, PA 100 laps on a 1.000 mile paved track (100.000 miles) Time of race: 0:39:06 Average speed: 154.484 mph Pole speed: n/a Cautions: 1 for 3 laps Margin of victory: n/a Attendance: n/a Lead changes: n/a Glossary    Other Exhibition / Unclassified Races

Pos St # Driver Team Sponsor Car Laps Status Led 2 5 1   Emerson Fittipaldi Roger Penske Marlboro Penske / Chevrolet 100 running 0 1 3 2   Rick Mears Roger Penske Pennzoil Z-7 Penske / Chevrolet 100 running 32 6 1 3   Michael Andretti Newman Haas Racing Kmart / Havoline Lola / Chevrolet 98 running 65 9 7 4   Teo Fabi Porsche Motorsports Foster's / Quaker State March / Porsche 94 running 0 3 2 5   Al Unser, Jr. Galles Kraco Racing Team Valvoline Lola / Chevrolet 100 running 0 5 9 6   Mario Andretti Newman Haas Racing Kmart / Havoline Lola / Chevrolet 98 running 0 8 4 7   Danny Sullivan Roger Penske Marlboro Penske / Chevrolet 97 running 0 10 10 15   Eddie Cheever, Jr. Chip Ganassi Target Penske / Chevrolet 24 handling 0 7 8 18   Bobby Rahal Galles Kraco Racing STP / Kraco Lola / Chevrolet 98 running 0 4 6 30   Arie Luyendyk Douglas Shierson Domino's Pizza Lola / Chevrolet 99 running 3