United Rentals 300 is the opening race of the NASCAR Xfinity Series season, held annually at Daytona International Speedway, a 2. 5-mile superspeedway. This tag page collects news, race reports, interviews, previews, results, technical updates and features related to the United Rentals 300. Readers will find coverage of practice and qualifying, race-day developments, postrace analysis and driver and team comments specific to this season-opening event at Daytona. Content focuses on the event’s on-track action, strategy, and season-opening implications within the Xfinity Series calendar.