Links for this race (some data may be unavailable): Race Results Qualifying Results Loop Data Stats Pit Stops Comments (4) Video Links (2) Crew Chiefs 1978 Race 3Previous race results / Next race results Previous at this track / Next at this track PostIROC race number 3 of 4Sunday, October 16, 1977 at Riverside International Raceway, Riverside, CA30 laps on a 2.540 mile road course (76.200 miles)Time of race: 0:45:37Average speed: 100.603 mphPole speed: n/aCautions: n/aMargin of victory: 1.51 secAttendance: 35000Lead changes: 2Glossary 1978 IROC results / 1978 standings PosSt#DriverSponsor / OwnerCarLapsMoneyStatusLed1 315 Cale Yarborough NASCARChevrolet30 running–2 911 Mario Andretti FIAChevrolet30 running–3127 Al Unser USACChevrolet30 running–4 86 Darrell Waltrip NASCARChevrolet30 running–51112 Richard Petty NASCARChevrolet30 running–6 75 Gunnar Nilsson FIAChevrolet30 running–7 51 Jacky Ickx FIAChevrolet30 running–8 48 Benny Parsons NASCARChevrolet30 running–9 610 Johnny Rutherford USACChevrolet30 running–10104 Gordon Johncock USACChevrolet30 running–11 114 Tom Sneva CARTChevrolet30 running–12 22 Al Holbert IMSAChevrolet15 engine–