Complex sentence: In 2001, the same year his father was killed at Daytona, Earnhardt was involved in a massive crash on October 4 in an ARCA race at Charlotte Motor Speedway.
Split into simpler sentences: In 2001, the same year his father was killed at Daytona, Earnhardt was involved in a massive crash. On October 4, Earnhardt was racing an ARCA race at Charlotte Motor Speedway.