stress

A new study looks at why side stitches happen in runners - and it has nothing to do with your fitness level or what you ate before your workout.

Stress is necessary for growth, but too much stress can impede your progress. Here’s how to find (and stay in) your stress sweet spot for optimal performance.

Whether it's stress from work, home, or training (or all three), your body feels the effects.

Races are finally happening - and athletes are suddenly finding themselves faced with packed, ambitious race calendars. Our complete, comprehensive guide has expert knowledge on everything from workouts to travel tips to mental strategies.

Go hard or go home? Sometimes, going home really is the best bet.

There is no secret.

Athletes should pay attention to certain warning signs when it comes to their heart.

Plus, ways to avoid stomach upset when running and stressed.

Struggling to find motivation to string workouts together? Not feeling like yourself in training? You're not alone.

Regardless of its source, your body responds to all stress the same way. Here’s how you can train hard no matter what you’re going through.

If you're stuck in fight-or-flight mode, your nervous system is left confused about how to support your athletic endeavors.