The Cup and Xfinity Series head to Las Vegas Motor Speedway this weekend for inaugural races there in September, joining the Camping World Truck Series, which has raced there at this time of year many times before.
Here are the preliminary entry lists for each series:
South Point 400 Cup race (3 p.m. ET on Sunday, Sept. 16 on NBCSN)
Forty-one cars are on the preliminary entry list for the Cup playoff opener.
DC Solar 300 Xfinity race (5 p.m. ET on Saturday, Sept. 15 on NBCSN)
Thirty-nine cars are on the preliminary entry list for the regular-season finale for the series.
Drivers who score Cup points are no longer allowed to compete in the Xfinity Series the rest of the season.
World of Westgate 200 Camping World Truck Series race (9 p.m. on Friday, Sept. 14 on FS1)
Thirty-eight trucks are on the preliminary entry list for the second race of the opening round of the playoffs. Justin Haley won the opening playoff race last month at Canadian Tire Motorsports Park and has advanced to the next round.