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Nine testers sweated in more than 50 summer workout shirts, shorts, hats, and accessories. These six came out on top.

Is Taylor Swift an elite endurance athlete? On the Eras tour, the singer-songwriter is performing three nights a week, singing and dancing for as long as it takes most people to run a marathon.

After three-plus hours on the treadmill belting out every song on the Eras tour, I can tell you why Swift’s concert training regimen works

From our favorite body roller to a yoga pillow, these five items will take your gift-giving game to the next level

These five pieces of equipment will help up your off-season game

We tested dozens of pieces for winter workouts. These six came out on top.

Running fast is important, even for beginners and endurance athletes. Here’s why, plus four essential workouts to start.

Did I feel better about myself? Sure. Did I feel less likely to injure a disc in my back? Yes. But was it worth a precious minute of each day?

With these moves, you'll hit the slopes feeling strong and powerful

With no weights required, you can do this workout anywhere

Running volume is important, but how you structure your training might matter more

It’s time to perfect your squat form. By avoiding these errors, you’ll finally be able to do just that.

These movements will help you build functional leg strength

A personal trainer shares seven exercises that focus on your biceps, triceps, and shoulders

This workout will help you incorporate this critical movement pattern into your strength-training regimen

This unlikely combination may just improve your flexibility and performance

These exercises will improve your posture, balance, and stability

Expert strength running coach Jason Fitzgerald wants us to keep our easy runs easy, but not forget the importance of workouts 

I was forced to tap into my muscles, mind, and breath

A new study on exercise at different periods of the day begs the question: When do you work, out and why?

Casual fits for the office, gym, and everywhere in between

Focus on your session—not your clothes

Focus on your session—not your clothes

I am pretty sure no runner who has consistently won races approaches their training in this way

Stairs aren’t just for stepping—this creative workout will have your whole body feeling the burn

Our first impressions put it right up there with the best offerings from this beloved purveyor of cushy runners

Follow our 12-week, effort-based plans to achieve your half-marathon goals and have a great race experience

Cultivate consistency, stay motivated year-round, and improve your speed and strength with these lessons—and staple fartlek workout—from On Athletics Club’s head coach

As demand for the fitness brand’s famous bikes and treadmills peters out, its dedicated user base might be its saving grace

This home gym uses cutting edge technology to take weight lifting into the 21st century

A leading exercise physiologist suggests developing a top speed two times faster than your marathon pace for a “speed reserve.” Here’s how to improve yours.

Don’t be confused by the diversity of running workouts. Learn the training zones they fit into, what type of fitness each zone builds, and how each feels.

Different workout styles can get you equally fit, but they affect your body differently—which suggests that you should mix it up

Three methods to cultivate pacing mastery and optimize your performance potential

Three types of training that will improve your speed, stride, and stamina, but won't burn you out.

Perfect for gifting—or treating yourself in the new year

Aerobic capacity, not speed, is usually the limiting factor in how fast you can race, even for a distance as short as the 5K.

This short track session of 400-meter repeats will help you get fit fast. Here's a beginner and an advanced version.

A challenging, effort-based hill workout that takes you farther and farther — 'til you finally get to the top.

Sharpen your speed and build high-intensity fatigue resistance with this simple cut down track workout designed for improving 5K, 10K, half marathon and marathon times

Hills, mud, redline intensity... training like an XC runner will make you a better runner all around: faster, stronger, more in tune with your body and mentally tougher.

Try this simple, fun, and effective structured fartlek to cultivate sprint speed and improve your 5k-marathon time.

Coach Carl explains why, how and when to do faster speed workouts during your marathon training, and how to prepare for specific course challenges.

Electric muscle stimulation claims to be a more efficient form of exercise. Here’s how it holds up.

Speedwork need not be a mystery — here are all the basic types of speed workouts and how to add them to your training to become a faster runner.

Three distinct types of progression runs — that finish faster than started — to incorporate into your training plans, plus their unique benefits.

The secret to pushing past your mental limits could be a handful of coins

Start training now to run your fastest 5K in 10 weeks! Our downloadable plan details every day's workout toward your 5K PR.

This marathon-specific workout will give you a good indication of what you'll be able to hit on race day.

Four challenging — and fun — speed workouts that don't require you to figure out how to get to a track.

Looking to level up? Get started with this inexpensive, four-move routine.

A body in motion will inevitably need a little maintenance

For a change of pace, try this mixed-bag workout to fine-tune your change of speed.

For serious training sessions that end in the ocean, any old bikini won’t do. Here are our favorite specialized sets.

New research sifts through the evidence to figure what types of intervals make you fastest

By hiding the finish line, the clever "whistle drill" workout forces you to push past your psychological limitations.

Training for the mile will make you a better runner at every distance. Racing the mile will take you to places you've never been before. Here's how to do both, plus advice from Olympic mile medalist Leo Manzano.

One editor transformed his sunroom into a workout studio-cum-playroom with this customizable flooring

Try this famously fast and wicked workout used by Steve Prefontaine and Galen Rupp to hone speed endurance.

Running uncommon distances — 7 x 700m anyone? — can be freeing, fun and a fast track to a breakthrough.

What you need for pushing hard and feeling good afterward

What you need for pushing hard and feeling good afterward

Take your body and mind in for a tune-up

Cultivate calm with these home-studio essentials

The Saxx Hot Shot outperformed every other top in my quiver

To race the perfect mile, a runner needs to possess an equal balance of strength and speed. Follow this 8-week, race-specific training plan to develop both and run your PR.

This challenging interval workout is perfect for sharpening road warriors to run the mile, or just to keep you in touch with speed.

Coach David Roche explores the benefits of hill workouts and explains eight of his favorites, from the T. Rex to the Quad Blaster.

The 2016 Olympian in the 10,000 meters likes to compare her progress over the course of a training cycle with some 300-meter intervals. Here's how you can try it, too.

Fine tune your training efforts by learning the specific ways each type of workout — steady state, tempo, VO2 max — should feel.

Coach Carl explains the critical importance of VO2 Max training for the 5K, and introduces "hammer" workouts you can use to maximize your race readiness.

This simple but challenging interval session hones control and toughness by kicking your butt if you get the pacing wrong.

Four fun and effective variations on 1,000m repeats to add some zip to your next speed-focused workout.

And no, we’re not just talking about a kettlebell

Quicker recovery intervals help runners learn how to better deal with the byproducts of fatigue, along with other performance benefits.

A unique 1000-meter ladder workout you can do at almost any time in your training cycle for the 5K or 10K.