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1981 World 600 loop data

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NASCAR Winston Cup race number 13 of 31
Sunday, May 24, 1981 at Charlotte Motor Speedway, Concord, NC
400 laps on a 1.500 mile paved track (600.000 miles)

Time of race: 4:38:22
Average speed: 129.326 mph
Pole speed: 158.115 mph

Cautions: 7 for 50 laps
Margin of victory: 8.2 sec
Attendance: 127000
Lead changes: 32

Glossary 1981 NASCAR Winston Cup results / 1981 standings

Driver	Start	Mid Race	Finish	High Pos.	Low Pos.	Avg. Pos.	Pass Diff.	Green Flag Passes	Green Flag Times Passed	Quality Passes	Pct. Quality Passes	Fastest Lap	Top 15 Laps	Pct. Top 15 Laps	Laps Led	Pct. Laps Led	Total Laps	DRIVER RATING

Loop data for this race:
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Green Flag Passes: Green flag passes for position.Pass Diff.: Difference between Green Flag Passes and Green Flag Times Passed. Quality Passes: Number of times passing a car running in the Top 15 while under a green flag. Fastest Lap: How many times a driver had the fastest lap of all drivers.

Driver Rating: A formula combining the following categories: Win, Finish, Top-15 Finish, Average Running Position while on Lead Lap, Average Speed Under Green, Fastest Lap, Led Most Laps, Lead-Lap Finish. Maximum: 150 points per race.