Overview

• Briscoe posted a lap of 23.004 seconds at 136.933 mph to secure the pole position for Sunday’s Iowa Corn 350.
• It extends his streak of fastest laps at NASCAR’s marquee races after earlier poles at Daytona, Charlotte and Indianapolis.
• William Byron will start alongside Briscoe on the front row, with Kyle Larson, Austin Cindric and Brad Keselowski filling out the top five.
• Kyle Busch crashed heavily in practice and will begin the race 37th in a backup Richard Childress Racing Chevrolet.
• Despite his Saturday success, Briscoe has converted only one front-row start into a win this season, underscoring a key challenge for Joe Gibbs Racing.