CONCORD, N.C. — William Byron was fastest in Happy Hour for Saturday’s NASCAR XFINITY Series Hisense 4K TV 300 at Charlotte Motor Speedway (1 p.m. ET, FS1, PRN, SiriusXM).

Qualifying for the Hisense 4K TV 300 is scheduled for 10 a.m. Saturday (FS1, PRN, SiriusXM).

Full practice results can be viewed on the next page…