Karla Walsh
Freelance Writer
Karla Walsh is a Des Moines, Iowa-based freelance writer, editor, freelance writing coach and level one sommelier who balances her love of food and drink with her passion for fitness (or tries to, at least!). She has over 15 years of professional experience covering food, wine, travel, nutrition, health, fitness, psychology, beauty, relationships and beyond.
How to Tell If Your Fatigue Is Mental or Physical—and What to Do to Overcome Performance Pitfalls
Your brain could be making your legs feel heavy.
What You Need to Know About the ‘75 Hard’ Challenge
Here’s everything you need to know about this challenge, including how to make it work for your fitness goals.
Your Race Training Should Include Paying Attention to Your Gut Health
Focus on nutrition on long run days so you can conquer the miles—without hitting the wall or running to the bathroom.
The Best Post Run Snacks, According to Sports Dietitians
Here’s how to time your mini meals, the best nutrients to include, and 10 of the top choices.
The Pros and Cons of Green Powders for Your Health
These supplements might come packed with produce, but do they give you all the vitamins and minerals of real veggies? Experts explain.
Everything to Know About the 4x4x48 Challenge and Whether It’s Worth a Try
It’s like an ultra, just with a plot twist.
Getting More Rest Can Support Recovery Even When You Don’t Get More Sleep
Recovery isn’t only about the hours you spend in bed. Here’s how to add more restfulness throughout your day and why that’s so important, according to experts.
What Are Anti-Bloat Supplements—and Are They Healthy (and Safe)?
Dietitians and gastroenterologists help decode this new crop of teas, pills, and potions that claim to debloat.
The Link Between Stress and Inflammation and the Role Your Emotions Play in Physical Health
Learn about the fascinating way your feelings can influence inflammation, then discover how to tame the flame and chill out.
Years After the Boston Marathon Bombing, This Survivor Found Her Voice and Her Stride Again
“It took a while to unpack what had happened in Boston. The more I unraveled the trauma, the more I was able to run.”
The Best Diets for Runners, According to Dietitians
Nutrition experts share their tips for eating healthy and following a plan that works for your lifestyle.
Are Electrolyte Packets Worth the Hype?
Runners need to replenish electrolytes during long runs and sweaty workouts. Let this guide help you determine the best way to get your fill.
Tinned Fish Is Trending—Should You Stock Up?
Find out why experts say this is a reel great source of nutrition for runners.
The Health Benefits of Herbs Go Beyond Maxing Out the Flavor of Your Meals
Discover which herbs support your training and fight disease.
Recent Study Suggests Vegetarians Are at Higher Risk for Hip Fractures
Here’s what to eat on a plant-based diet to bolster your bones.
The Health Benefits of Peaches, Cherries, and Other Stone Fruits
These fiber-rich, vitamin-packed fruits support your health and performance.
5 Nutrient-Dense Foods to Add to Your Plate This Week
Max out your macro and micronutrients with these healthy foods, recommended by dietitians.
How an Eating Disorder Can Affect Hormones—and How to Get Them Back on Track
After recovering from anorexia nervosa and losing her period, one writer set out to find how hormones affect health and how you can make them work for you and your performance.
The Benefits of Berries Include Fighting Inflammation and Supplying Fiber
No matter what type you choose, this fruit supports your overall wellbeing and your performance.
Your Guide to Healthy Fats and How They Support Running
Fat gets a bad reputation, but it’s a very valuable macronutrient. Here’s why.
Is Plant-Based Seafood Good for You?
We reeled in dietitians’ input about this booming food trend. Find out if faux fish is a wise choice.
How Much Water Do You Need Each Day?
We looked to science and sports dietitians to bring you the final answer on how much H2O you really need.
15 High-Protein Smoothies That Will Keep You Full for Hours
These filling drinks pack up to 35 grams of the macronutrient in one serving.
7 Energy-Boosting Foods That’ll Perk You Up Better Than a Cup of Coffee
Tame tiredness and boost your productivity with these fatigue-fighting foods.
10 Foods High in Vitamin K That Aren’t Spinach or Kale
This overlooked vitamin can help keep your bones and heart strong.
Whoever You Are, However You Run, If You Run—Yes, You Are a Runner!
If you lace up sneakers to hit the road, track, trail, or treadmill, you are a runner—and these people are living proof.