Mallory Creveling, CPT
Deputy Editor, Health & Fitness
Mallory Creveling is an ACE-certified personal trainer and RRCA-certified run coach, who also holds certifications in kettlebell training, sports performance, and more. She has more than a decade of experience covering fitness, health, and nutrition for a wide range of publications, and nearly 10 years of experience as a trainer and fitness instructor. Mallory stays on top of her continuing education in fitness, as well as the latest science in wellness. She has worked with some of the best experts in their medical fields, and regularly interviews researchers, trainers, athletes, and more to find the best advice for readers looking to improve their performance and well-being. As a freelance writer, Mallory's work appeared in Women's Health, Self, Men's Journal, Reader's Digest, and more. She has also held staff editorial positions at Family Circle and Shape magazines, as well as DailyBurn.com. A former New Yorker/Brooklynite, she's now based in Easton, Pennsylvania.

How to Run Longer, According to Coaches and Ultramarathoners
All the tips you need for building mileage, while staying injury-free.

Science Shows Us How to Run Like Elites, But Should You Change Your Form?
A few small tweaks could have you floating down the road with an effortless stride.

Your Strength-Training Starter Pack: Expert-Approved Equipment Picks
Your home gym setup cheat sheet.

The Run/Walk Method Will Help You Conquer Any Distance
Want to run longer and faster with less injuries? This program is for you.

The Best Workout to Get Comfortable With the Uncomfortable
I hadn't hit my marathon time goal for years. After adding this run to my training, I finally smashed sub-4.

This Upper Body Kettlebell Workout Also Strengthens the Core
Target your arms, shoulders, back, and chestāalong with your coreāthanks to these moves.

A 30-Minute Indoor Workout That You Can Easily Do at Home
And youāll burn every muscle of the body while revving that heart rate!

How Bulgarian Split Squats Can Improve Your Running Strength and Stability
Hereās how to execute this exercise to strengthen your key running muscles. Plus, a few variations.

Runnerās Knee Doesnāt Have to Stop Your TrainingāHereās How to Address It
Doctor- and run coach-approved suggestions for keeping your knees pain-free.

The Runnerās World Guide to Strength Training
Our exclusive program provides all the tools you need to start prioritizing strength training as part of your run routine.

Guide to Strength Training: Lower-Body Workout for Runners
Target your key running musclesāfrom your feet through your glutesāwith this 20-minute leg workout.

Guide to Strength Training: Upper-Body Workout for Runners
Target your chest, back, arms and core with this 20-minute workout.

Guide to Strength Training: Total-Body Workout With Glute Activation
After targeting the glutes, youāll turn to dumbbells to strengthen every muscle of your body for better running.

Guide to Strength Training: Total-Body Workout With Core Focus
Turn up your stability and balance with this 30-minute workout, which targets your entire body but zeros in on your midsection.

Guide to Strength Training: Total-Body Workout With Plyometrics
Improve your mobility, explosiveness, and turnover with this 30-minute workout that includes single-leg exercises, core challenges, and power moves.

Guide to Strength Training: Core Workout for Runners
Work 360-degrees of your midsection with this quick, effective workout.

How to Master the 5K
Our exclusive program provides all the tools you need to run your firstāor fastestā3.1 miles.

6 Slider Core Exercises to Elevate Your Ab Workout
Slide and glide your way to core strength and stability.

How I Broke 4 Hours in the Marathon After Multiple Attempts and Years Away from the Distance
In her fourth marathon, this writer realized the power of slow long runs, tempo efforts, and building confidence boosters into training.

Why Kettlebells Are the Best Cross-Training Tool for Runners
Training with kettlebells not only ignited this writerās passion for fitness but also improved her performance.

Get Your Speed Training in the Weight Room With This 20-Minute Workout
Boost your power and pace in under a half hour.

Bodyweight Exercises to Get Faster and Run Longer
These moves will help you build strength to prevent injury and improve your performance.

Why Racing a 5K Feels Mentally More Challenging Than a Half Marathon
Shorter distances can be psychologically more taxing. These tips can help.

The Best Strength Workouts for Runners, Whether Youāre New or Experienced
Turn to this page whenever you need some weightlifting inspiration.

How to Start Running: Get Expert Tips, Tools, and Training Plans
Start a running routine that you can stick with in the weeks, months, and years to come.

How to Start Running
This program provides all the tools you need to begin your running journey. Learn to build a consistent routine with guidance from our experts.

These 10 Expert-Backed Tips Will Help Boost Your Running Recovery
Feel better after a workoutāand the next time you head out for more milesāwith this advice.

These Aerobic Exercises for Seniors Kick Up Your Cardio
This quick workout will help improve your strength, balance, and mobility, too.

How to Master the Marathon

7 Anything-But-Boring Walking Workouts to Switch Up Your Casual Strolls
Hereās how to make the most of your walks.

Blister Solutions and Cross-Training for a Race
In this episode of āThe Amazing Runnerās World Show,ā we talk about preventing blisters and give you a first look at the new Wahoo Kickr Run treadmill.

What Should I Eat Before a Race? We Break Down the Basics
This guide helps you figure out your fueling before any race distance.