NASCAR O'Reilly Series

The 25-year-old Custer from Ladera Ranch, California, led a race-high 96 of 202 over-scheduled laps and capitalized on an overtime shootout to win the finale in the desert state and become the 33rd different competitor to win an Xfinity Series championship.

The 19-year-old Smith from Johnston, Iowa, notched his first career victory at Phoenix in March, made the 2023 Xfinity Playoffs and finished sixth in the final standings during his first full-time campaign in the Xfinity circuit with Joe Gibbs Racing.

The 25-year-old Custer from Ladera Ranch, California, will return for a fifth full-time campaign in the Xfinity circuit for Stewart-Haas Racing in 2024.

The 26-year-old Nemechek from Mooresville, North Carolina, is set to achieve a milestone start while contending for his first Xfinity Series title in the desert state.

This weekend NASCAR travels to Phoenix Raceway as the season comes to a close and the 2023 champions will be crowned for each series.

Jeremy Clements Racing is excited to be using the season finale in the Valley of the Sun as an introduction to welcome Impel Union fully into the JCR family.

The 37-year-old Allgaier from Riverton, Illinois, led 21 of 256 over-scheduled laps and went from third to first on the final lap amid an overtime shootout to claim his fourth Xfinity victory of 2023 and race his way into the Championship 4 round.

The two-time NASCAR national touring series championship-winning crew chief from Winston-Salem, North Carolina, will reunite with RCR for the first time since 2019 to lead newcomer Jesse Love and the No. 2 team for the upcoming Xfinity season.

This weekend the NASCAR Cup Series and Xfinity Series travel to Martinsville Speedway to set the field for the Championship 4 Playoffs. Cup Series winners Kyle Larson (Las Vegas Motor Speedway) and Christopher Bell (Homestead-Miami Speedway) have secured their spot in the Playoffs.

The 2023 ARCA Menards Series champion from Menlo Park, California, will replace Sheldon Creed as the driver of RCR's No. 2 entry for the 2024 Xfinity Series season.