BUY TICKETS: See the races in Las Vegas
RELATED: Full schedule for Las Vegas
The Monster Energy NASCAR Cup Series and NASCAR XFINITY Series are at Las Vegas Motor Speedway this weekend.
Below are the stage lengths for each race. Click here to bookmark stage lengths for every race this season.
Monster Energy NASCAR Cup Series (Race is Sunday, 3:30 p.m. ET, FOX)
Stage 1: Ends on Lap 80
Stage 2: Ends on Lap 160
Final Stage: Scheduled to end on Lap 267
XFINITY Series (Race is Saturday, 4 p.m. ET, FS1)
Stage 1: Ends on Lap 45
Stage 2: Ends on Lap 90
Final Stage: Scheduled to end on Lap 200