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1978 Race 1 Previous race results Next race results                     Previous at this track / Next at this track     Post IROC race number 1 of 4 Saturday, September 17, 1977 at Michigan International Speedway, Brooklyn, MI 50 laps on a 2.000 mile paved track (100.000 miles) Time of race: 0:39:36 Average speed: 151.49 mph Pole speed: 152.834 mph Cautions: n/a Margin of victory: .33 cl Attendance: n/a Lead changes: 2 Glossary    1978 IROC results   /   1978 standings

Pos St # Driver Sponsor / Owner Car Laps Money Status Led 3 1 4   Darrell Waltrip NASCAR Chevrolet 50   running – 2 2 8   Cale Yarborough NASCAR Chevrolet 50   running – 4 3 1   Richard Petty NASCAR Chevrolet 50   running – 1 4 2   Al Unser USAC Chevrolet 50   running – 9 5 12   Benny Parsons NASCAR Chevrolet 49   running – 7 6 7   Mario Andretti FIA Chevrolet 50   running – 5 7 5   Gunnar Nilsson FIA Chevrolet 50   running – 10 8 9   Al Holbert IMSA Chevrolet 1   crash – 11 9 11   Tom Sneva CART Chevrolet 1   crash – 8 10 3   Johnny Rutherford USAC Chevrolet 50   running – 12 11 10   Jacky Ickx FIA Chevrolet 1   crash – 6 12 6   Gordon Johncock USAC Chevrolet 50   running –