Saturday, May 16, 2026 

NASCAR O'Reilly Auto Parts Series

The BetRivers 200 NASCAR O'Reilly Auto Parts (formerly Xfinity) Series returns to Dover! The event showcases the next generation of talent battling wheel-to-wheel with seasoned veterans in Dover. Also included with the day's ticket is access to your seat in the grandstand to watch all on-track activity once the gates open.