The former Xfinity Series has a new name but promises to bring the same thrills in 2026. Here's how to tune in to every race.

Comcast’s Xfinity has launched a technology feature, RealTime4K, to watch live sports that it says is just seconds behind on-the-field action and up to 30 seconds faster than other 4K providers.

New features like Fan View and Multiview will allow viewers to personalize and engage with NBCU’s coverage of the Winter Games in many new ways ...