Five races into the year, the Cup Series has run at many of the types of tracks that will play a key role throughout the season, including the track that will host the title race. The series has raced at a superspeedway (Daytona),

The NASCAR Cup Series arrives at Las Vegas for Sunday's Pennzoil 400 as Christopher Bell is close to making history. Bell won his third consecutive race last week in Phoenix and can be the first to win four races in a row since Jimmie Johnson in 2007.