The NASCAR Cup Series grid returned to one of the most iconic tracks on the calendar Sunday and a familiar face made it to victory lane.

All runners have a mental image of their most glorious moments on the road: big smiles as they cross a finish line with new personal bests or feeling the runner’s high on their favorite trail. Each of ...

Here’s how. To understand fueling and fatigue, you need to understand energy availability, which is the amount of dietary energy (in the form of calories) your body has to have to maintain its ...