The 24-year-old Gragson from Las Vegas, Nevada, led 20 of 93-shortened laps, including the final 18, before being awarded his fifth Xfinity victory of 2022.
The 37-year-old native from Spartanburg, South Carolina, led the final three of 118 over-scheduled laps en route to his second Xfinity Series career victory at Daytona.
The reigning NASCAR Cup Series champion dodged an on-track incident involving teammate Byron and Gibbs to lead the final five laps and grab his first Xfinity victory in four years.
The 19-year-old grandson of team owner Joe Gibbs from Charlotte, North Carolina, will be substituting for Kurt Busch for a third consecutive Cup Series weekend at the Irish Hills.
The 40-year-old Allmendinger from Los Gatos, California, led all but 20 of 62-scheduled laps en route to his third Xfinity Series victory of 2022 at the Brickyard.