See all of your favorite drivers in fabulous Las Vegas during the Spring NASCAR Weekend, March 5–7, 2021. The event weekend includes the Pennzoil 400 presented by Jiffy Lube NASCAR Cup Series race on Sunday, March 7, the Alsco 300 NASCAR Xfinity Series race on Saturday, March 6, and the Silver State 200 NASCAR Camping World Truck Series race on Friday, March 5.