Cindy Kuzma

These tumors in and around the uterus may be benign—but with symptoms like incontinence and fatigue, they can have a major impact on your training. Here’s how to get relief.

These pros and coaches have learned to use menstrual cycles to their advantage—here’s what they recommend.

Welcome to TrackGirlz, a nonprofit improving girls’ access to track and field.

This fourth article in our five-part investigative report examines some of the variables that influence how people feel about their bodies.

If anyone had lingering questions about whether good vibes and fast times go hand in hand, Seidel dispatched them.

Real-world advice from athletes who have braved tough conditions and come out stronger because of it.

If you've ever wondered why your heart rate is high, even on easy runs, here's why you may be feeling a rapid beat—and when to worry about it.

Everyone's heart rate is going to be different. Here's how to know if yours is healthy.

Plus, a look at the accuracy of heart rate monitors.

Your body is a powerful machine, and at the center of it all lies a strong, pounding engine.

Myths about how high your heart rate should go persist.

Runners concerned for both their own health and the well-being of others can mitigate the risks of catching or spreading COVID-19 as they return to starting lines.

Dana Henderson logs miles to find her strength—and raises funds in support of suicide prevention as she prepares for the Chicago Marathon.

Female bodies just might be built for the challenge of greater distance—as are our minds and hearts. Here, we dig into the science of endurance.

These power women guide many of the NCAA’s top athletes to championships and podiums—here’s their advice for taking your own running to the next level.

Running your strongest at any age requires a solid fueling plan. Full stop. But as your body and lifestyle change through the years, so does your optimal nutrition strategy. Here’s how to maximize fueling at any life stage.

With more time to train, your golden decades can represent some of your prime running years.

Dialing in your nutrition now can both directly affect your short-term performance and recovery and also keep you running strong and healthy for years to come.

Here's a big tip: Ditch diets.

The more girls use nutrition to tend to their energy needs, the better they’ll fare.