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Every Holiday Song You'll Want to Run to This Winter
Popular in Cardio
Why You Need to See Selena Gomez's New Tattoo
There's an important message behind it.
First Woman to Officially Run the Boston Marathon Runs the Race 50 Years Later
And she's wearing the same number an official tried to rip off her in 1967.
The Do-Anywhere Tabata Workout You Can Crush In 4 Minutes Flat
Room to jump? Good--that's all you need to break a sweat in four fast minutes
5 Reasons Why Running in Cold Weather is Good for You
Experts say you should skip the treadmill this winter. Find out why!
Hate Running? 25 Ways to Learn to Love It
Some of our favorite running bloggers and coaches share their best tips for finding fun on the run (really!).
Is Hotter Always Better?
When it comes to fitness, many exercise studios are turning up the heat--literally. Here, the real deal on hot workout classes.
How to Crush Swimming Workouts Like You're Michael Phelps
There's a reason swimming is the queen of cardio--jump in!
Walk Off the Weight!
Turn an afternoon stroll into a serious sweat session with this 30-minute plan.
"Running Helped Me Overcome Depression and Anxiety"
A good run helps this women cope with her problems.
Best New Fitness Trackers
New bands are constantly hitting the market. Which ones are worth your cash?
The Interval Training Routine That Will Train Your Core
Burn calories and strengthen your abs with this equipment-free workout.
What Running a Marathon Really Does to Your Body
From your brain to the bottom of your feet, this handy infographic details what you're signing your body up for when you run a race.
5 Beginner Running Injuries, Plus How to Dodge 'Em
Don't wait for an injury to sideline you. Avoid (or treat) these common discomforts that plague new runners.
Are Marathons Bad for Your Kidneys?
Don't freak just yet.
Find a Great Running Route Anywhere
5 ways to fit in a run wherever life takes you.
8 Cardio Workouts That Burn 300+ Calories in 30 Minutes
Tired of the "dreadmill"? Try these 8 calorie-blasting cardio workouts this winter (and beyond) to burn up to 600 calories in just 30 minutes.
Hit the Sand! 5 Essential Beach Running Tips
Yes, it's harder than on the pavement--but that just means your calves will look even better afterwards.
26 Race Signs to Keep You Motivated for 26(.2) Miles
Studies show that positive messages can help you run faster--these signs from marathons around the country prove it.
What's the Best Temperature for a Run?
Whether you're running a mile or a half marathon, this handy infographic can help get you there.
These Pro Tips Will Change How You Feel About the Treadmill
Try these tricks to reenergize your strides.
The 2-Minute Trick to Get More Out of Your Spin Class
It's easier than you think.
8 Classes That Don't Feel like Exercise
Sick of the treadmill? Get fit with these high-intensity alternatives!
Alternative Cardio Workout
Your favorite toning tool is about to blow your mind (and burn mega calories)!
10-Minute Cardio Workout
Torch fat and sculpt your abs with these 5 multitasking moves.
Get Results Fast With This Tabata Workout
Work every inch or your body and blast fat with only two workouts a week.
30 Thoughts You Have in Spin Class
On the outside? You're a smiling, glowing, spinning champ. On the inside? Things are a little different.