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Nutrition & Weight Loss

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When to Drink Electrolytes, According to Experts

Shoes & Gear.

By Lauren Keary, NASM

Aug 20, 2025

grabbing huma energy gel packet out of running shorts pocket

We Turn to These 6 Energy Gels for Marathon or Half-Marathon Training

Health - Injuries

athletic woman in sportswear with measuring spoon in her hand puts portion of whey protein powder into a shaker on wooden table with amino acid white capsules, bananas and apple, making protein drink

What Are the Benefits of Creatine for Runners?

race image library from the 2025 brooklyn half marathon. photographer trevor raab (staff)

How to Fuel a Marathon With a Sensitive Stomach

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running snacks are pricey�so i found cheaper options that are just as good

My Favorite Budget-Friendly Running Snacks

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Prime Day Running Fuel Deals

sugar cookies in the shape of running gear

How Baking Cookies Powers My Long Runs

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The Best Carbs for Runners

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refined grains vs whole grains

Carb-Loading? Here’s What to Know About Grains

runner eating energy gel during boston marathon

How to Fuel Your Marathon to Avoid Bonking

Health & Injuries

Aug 20, 2025

running stock image library for runners world us. various images of runners. shoot date: sept 11, 2021, location: boston, ma.

Dietitians Share Their Best Tips for Thriving During Your Summer Runs

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Every Running Hydration Question, Answered

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group of runners eating at a table

How to Recognize Under-Fueling and How to Fix It

We rounded up experts to investigate when and if you should be drinking an electrolyte supplement

post workout refreshment

Which Supplements Are Worth Your Money

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What to Eat Before a Long Run

Aug 20, 2025

athletics oly 2020 2021 tokyo

This Tool Helps Eliud Kipchoge Hone His Nutrition for the Marathon

young asian female athlete runner drinking protein shake after exercise workout in urban park. diet and healthy food workout exercise.

Does When You Eat Your Protein Really Matter?

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How You Fuel Before Your Training Block

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What Is a Healthy Body Fat Percentage?

Health - Injuries

race training and gut health

How to Train Your Gut Before Race Day

Health - Injuries

More Nutrition & Weight Loss

spelt whole grain spaghetti with vegan bolognese made of green spelt and sunflower seed

Exactly How to Carb Load for a Stronger Race

By dimity mcdowell and Runner's World Editors

ozempic side effects and running here’s how to make sure you stay on your training plan

Taking Ozempic? Keep Running Despite Side Effects!

By Elizabeth Millard

marathon runner putting gel in pocket

Your Marathon Training Diet

By Heather Mayer Irvine

fueling before and during a race

Optimize Your Prerace Nutrition With These Tips

woman adjusting her hair while wearing a cap

4 Energy Gel Alternatives for Runners

By Monique Lebrun

close up of a teenager with a bowl of meusli and fruit

Here's Exactly What to Eat Before a Morning Run

by Pamela Nisevich Bede MS, RD, CSSD, LD and Runner's World Editors

fasted cardio and whether it will help you

Fasted Cardio—The Truth Behind the Hype

By Ashley Mateo

grilled chicken salad with avocado

6 Signs You’re Not Getting Enough Protein

By Selene Yeager

shot of a young woman weighing a bowl vegetables

What to Know About Macronutrients

By Amy Schlinger, NASM-CPT

woman drinking a protein shake

How to Increase Your Protein Intake

By Amy Schlinger, NASM-CPT

large group of people in blurred motion running a marathon in nature

How Running Can Help With Weight Loss

by Kiera Carter, Hailey Middlebrook and Ashley Mateo

red drinks on pink background

Which Foods Contain Red Dye 3?

By Korin Miller

Aug 20, 2025

person holding a device near their mouth against a red brick wall

What to Eat Before Running

by Heather Mayer Irvine

dry january

How to Successfully Complete Dry January

benefits of pea protein

The Benefits of Pea Protein for Runners

By Matthew Kadey, M.S., R.D.

tired male runner bending in forest

Signs of Vitamin B12 Deficiency

a shoe filled with beer

What Is a Shoey?

By Rozalynn S. Frazier

post run yogurt snack

The Best Post Run Snacks for Better Recovery

tattooed young woman going home after running in the morning

Walking Could Add 11 Years to Your Life, Study

By Madeleine Haase

lunch or snack box with high protein food

14 High-Protein Snacks for Runners

By Jenna Autuori Dedic

2022 boston half marathon

Are You Drinking Water Wrong?

By Lauren Bedosky

close up of a young group of friends passing and serving food while enjoying together they are having fun, chatting and feasting on food and drinks at dinner party

Exactly What to Eat Before a Marathon

by Liz Applegate, Ph.D.

rear view of large group of runners running a marathon

The Problem With BMI and What Might Replace It

By Elizabeth Millard

runner with bananas

What to Eat After a Marathon

By Matthew Kadey, R.D.

a beet in a vise getting squashed and exploding beet juice

Beetroot Powder Is Everywhere. Should You Take It?

By Julie Stewart

what to eat before running in the morning

The Beginners Guide to Eating Before Every Race

By Mallory Creveling, CPT

benefits of spirulina it may help runners

The Benefits of Spirulina

By Matthew Kadey, M.S., R.D.

intermittent fasting for runners and how it can affect your running

Can Intermittent Fasting Help You Lose Weight?

By Ashley Mateo

foods that are high in vitamin e can help with a runner's recovery

Foods High in Vitamin E That Boost Recovery

By Lauren Bedosky

a person holding a maurten gel

Should Runners Always Avoid Ultraprocessed Foods?

By Stacey Freed

sporty woman takes care of her health

What Fruit is In Season Now?

By Matthew Kadey, M.S., R.D.

should you eat before or after a run the questions and answers you need

Should You Eat Before or After a Run?

By Donna Raskin