Is post-workout soreness a badge of honor or a sign of going too hard? Learn everything you need to know about delayed onset muscle soreness, better known as DOMS.
Go from zero to numerous reps (even sets) of pull-ups with our three-step program. We break the movement down to help your muscle memory and ensure great form.
Whether you’re training for your first marathon or chasing after a qualifying time for Boston, here are the best marathons to set your sights on this fall.
If you haven’t heard about HIIT by now, it’s time to discover why high-intensity interval training can burn more fat in less time. Plus, get a do-it-anywhere workout to try today.
Hit a plateau with your running progress? Get five simple tweaks to improve your marathon time — plus expert tips from Bart Yasso.
Burn fat, build strength and have a ball with this 15-minute HIIT workout featuring the simple but effective medicine ball.
Think competing is just for kids? Think again. Read on to learn how these active and adventurous athletes are truly getting better with age.
Got 20 minutes? Then you have enough time to fit in a calorie-blasting metabolic conditioning routine. Get started with this full-body MetCon workout.
Sit-ups aren’t the only way to strengthen your core. This TRX abs workout has seven TRX exercises designed to challenge your abdominals and core stability.
Think you’re in tip-top shape? Find out how fit you really are with these fitness tests — from the Marine Corps to the CrossFit pros.
Starting your journey back to fitness? Try these three quick and efficient HIIT workouts designed specifically for beginners.
The TRX Suspension Trainer turns your bodyweight into a workout machine. Use these TRX exercises to take your training to the next level.
Marathon training playlists getting old? These podcasts will get you through the last of your training runs. Find the best podcast for you!
Make room for those holiday cookies! Discover 10 fun and easy ways to burn 500 calories this winter in this fitness-focused infographic.