The 29-year-old Chastain from Alva, Florida, rallied from an early pit road speeding penalty to overtake Erik Jones on the final lap through the tri-oval to claim his second career win in NASCAR's premier series.
The 23-year-old Gragson from Las Vegas stormed to the lead during the third of three overtime attempts before holding off Jeffrey Earnhardt to grab his first victory at Talladega.
The two-time Cup champion from Las Vegas, Nevada, benefitted from a final lap collision involving Tyler Reddick and Chase Briscoe to become the ninth different competitor to reach 60 victories in NASCAR's premier series.
The reigning NASCAR Camping World Truck Series champion persevered on a five-lap dash to the finish to cap off a dominant run with his first victory of the season and on Bristol's dirt course.
The 19-year-old Truck Series competitor from Talking Rock, Georgia, is set to make his first of three Xfinity Series career starts at Talladega Superspeedway in late April.
The 23-year-old native from Boston, Massachusetts, will be adding two additional Xfinity Series starts with Big Machine Racing to his 2022 racing schedule for late April.
In an overtime restart, 23XI Racing driver Tyler Reddick made a last-lap pass to capture the eventual race win, his fifth victory of the 2026 NASCAR Cup Series season.
Tyler Reddick continued his early season dominance as he claimed his fifth win in the first nine races this season with a stellar last lap pass at Kansas Speedway.