BUY TICKETS: See the Sonoma race | See Trucks and XFINITY in Iowa
RELATED: Full schedule for Sonoma and Iowa
All three NASCAR national series are in action this weekend but at two different tracks. The Monster Energy NASCAR Cup Series visits its first road course of the season while the Camping World Truck and XFINITY Series take on the short-track of Iowa.
Below at 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 p.m. ET, FS1)
Stage 1: Ends on Lap 25
Stage 2: Ends on Lap 50
Final Stage: Scheduled to end on Lap 110
NASCAR XFINITY Series (Race is Saturday, 8:30 p.m. ET, FS1)
Stage 1: Ends on Lap 60
Stage 2: Ends on Lap 120
Final Stage: Scheduled to end on Lap 250
NASCAR Camping World Truck Series (Race is Friday, 8:30 p.m. ET, FS1)
Stage 1: Ends on Lap 60
Stage 2: Ends on Lap 120
Final Stage: Scheduled to end on Lap 200