Complex sentence: The 2000 Daytona 500, the 42nd running of the event, was held February 20 at Daytona International Speedway, in Daytona Beach, Florida as the first race of both the 2000 NASCAR Winson Cup season and the 2000s decade.
Split into simpler sentences: The 2000 Daytona 500, the 42nd running of the event, was held February 20 at Daytona International Speedway, in Daytona Beach, Florida. It was the first race both of the 2000 NASCAR Winson Cup season and the 2000s decade.