Ultra-endurance athletes can push their bodies to extraordinary extremes, but even they run into a hard biological wall.

Improving stamina has benefits far beyond the gym, from more energy to better heart health. Follow this workout plan to ...

Current sports nutrition guidelines suggest that athletes don’t need to refuel during efforts lasting less than 30 minutes.

At just 23, Hayden Pucker has gone from Taekwondo prodigy to national esports champion. The Wisconsin native is relying on ...