Feb 23 2023 to Feb 25 2023 Browse through 2023 NASCAR XFINITY Fontana results statistics. Complete 2023 NASCAR Xfinity Series schedule ticket information race results race dates race times and track information. 2023 NASCAR Xfinity Series is the 42nd season of the NASCAR Xfinity Series in the. After another thrilling Daytona 500 the 2023 NASCAR Cup season moves onto Auto Club Speedway in Fontana California for Round 2 of the. After another thrilling Daytona 500 the 2023 NASCAR Cup season moves onto Auto Club Speedway in Fontana California for Round 2 of the..