The 18-year-old Smith from Johnston, Iowa, led a race-high 92 of 200-scheduled laps and fended off teammate Ryan Truex en route to his first Xfinity career win in his 13th series start.
The 28-year-old Hill from Winston, Georgia, led three times for 19 of 200-scheduled laps, including the final two as he tracked and overtook rookie Chandler Smith prior to the final lap for his second Xfinity victory of the 2023 season.
The 18-year-old Smith from Johnston, Iowa, is set to campaign in his first full-time season in the Xfinity Series following a part-time schedule in 2022.
The 20-year-old Gibbs from Charlotte, North Carolina, led a race-high 125 of 200-scheduled laps and persevered in a late battle against rivals Gragson and Allgaier to claim his first Xfinity title by winning the finale at Phoenix.
The 20-year-old Gibbs from Charlotte, North Carolina, spoiled teammate Brandon Jones' title hopes by claiming a wild final lap victory and earning himself a spot for the 2022 Xfinity championship finale.
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 Gibbs from Charlotte, North Carolina, led five of 48 over-scheduled laps as he executed a bold final lap pass on Larson for his eighth Xfinity career victory.
The reigning ARCA Menards Series East champion from Johnston, Iowa, will commence his Xfinity Series debut with Joe Gibbs Racing at Road America in July.