The NASCAR Xfinity Series returns to Circuit of the Americas in Austin for Saturday's Focused Health 250 race. Connor Zilisch ...

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Comcast and Dolby just announced that Super ... There's a catch, though: These formats will only be available to Xfinity TV customers as part of the company's Enhanced 4K coverage, either by ...

The NASCAR Xfinity Series continues the race to the playoffs with Saturday's Mission 200 at The Glen at Watkins Glen ...