NASCAR Xfinity Series season begins Saturday with the United Rentals 300 at Daytona International Speedway. Defending series ...
The Xfinity Series is considered NASCAR's second-tier circuit behind the Cup Series. The regular season will run from February through September, and playoff races will be held from ...
Xfinity, part of the Comcast family ... which had been the Monster Energy NASCAR Cup Series since 2017, dropped all corporate attachments and became the NASCAR Cup Series. Keeping the ...