NASCAR O'Reilly Auto Parts Series at Circuit of the Americas
Stock car races in the NASCAR O'Reilly Auto Parts Series has been held at Circuit of the Americas in Austin, Texas as a companion to the Cup race at the track since 2021. The race is currently known as Focused Health 250 for sponsorship reasons. Connor Zilisch is the defending winner.
Past winners
- 2024: Races extended due to NASCAR overtime finishes.
Multiple winners (drivers)