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Most cars competing in a NASCAR 500 mile race

Most cars competing in a NASCAR 500 mile race
Who
2006 Daytona 500
Where
United States
When
2006
The NASCAR record for most cars ever in a 500-mile (804-km) race is 31 cars on the lead lap at the 2006 Daytona 500. The record for most cars in a 400-mile (643-km) race is 35, set at the 2006 Allstate 400.