Mark Harrast, MD, Sports Medicine Physician

A group of women running through the forest

The Female Athlete Triad: A Syndrome Affecting Women Runners

How calorie intake, menstrual abnormalities and bone degradation affect some female runners.

A photo of two people stretching before a run in Seattle

6 Common Running Injuries (and What to Do About Them)

Woman drinking out of a water bottle

All Your Questions Answered About Hydrating on Race Day

Bowl of oatmeal

Demystifying the Pre-Race Meal: 4 Tips for Fueling

Female runner holding knee

3 Simple Ways to Help Runner’s Knee

Female runner grimacing

4 Ways to Stop Muscle Cramps From Interrupting Your Run

Man blowing into his hands

What Runners Need to Know About the Immune System

Man running

Runners, Here’s How to Manage a Pesky Hamstring Injury