Jennifer Heimlich Author photo

Jennifer Heimlich

Jennifer Heimlich is a writer and editor with a passion for all things fitness and wellness. She was most recently the senior fitness editor for Well+Good, and has also served as the editor in chief of Dance Magazine. A regular marathoner, she's written about running and fitness for publications like Runner’s World, The Atlantic, and Women’s Running. In her free time, she leads running tours in Boston.

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Jennifer Heimlich's Articles (21)

woman doing marathon training run

Marathon + Racing

How to Train for a Marathon at Every Level

A man going for a run outdoors on a sunny day, using his rate of perceived exertion (RPE) to gauge his effort.

Cardio

How to Gauge Your Rate of Perceived Exertion (RPE), According to 3 Fitness Pros

Man running outdoors

Run

There’s So Much More to Progression Runs Than Just Speeding Up—Here’s How to Do Them Properly

Man runs at home on a Peloton Tread+

Marathon + Racing

Can You *Really* Train for a Marathon on a Treadmill? (Spoiler: Yes, You Can)

A side-view photo of a woman running outside on a chilly day.

Run

Running Can Feel Really, Really Challenging. These 12 Benefits Prove It’s Totally Worth It

An athlete drinking a glass of orange juice before going on a run. He's in his kitchen and has a towel around his neck.

Nutrition

What to Eat Before a Run, According to Dietitians Who Specialize In It