Is everything we thought we knew about lactic acid all wrong? Read on for the latest research-backed facts about lactic acid and what really causes muscle soreness.
Add some high-intensity interval training to your exercise routine with this quick but effective 20-minute Tabata workout.
Not a fan of running, but still want to do a race? Whether you’re flying solo or with a team, here are the best competitions for non-runners.
A new study reveals men and women tend to pace themselves very differently during marathons. Find out what this means for your training routine.
Don’t just go through the motions. Learn how to reap the full benefits of yoga with these tips from master yogi Colleen Saidman and Rodney Yee.
Will running on empty turn you into a fat-burning machine? Read on to find out if fasted cardio sessions will lead to greater fat loss and better athletic performance.
What happens when you mix aluminum, fuel, horsepower and strong, fit, adrenaline junkies on a track? You get NHRA Drag Racing.
Want to tackle your next open water swim with confidence? Follow these expert swimming tips to conquer any lingering fears.
Move over long, boring gym workouts. These CrossFit workouts are quick, challenging and proven to show results.
The 2008 Fittest Man on Earth and 5th place finisher in the 2009 CrossFit Games, Jason Khalipa knows a tough workout when he sees one. Here’s his hardest.
Doing everything right but still hitting a running plateau? Your aerobic base might be to blame. Find out if the MAF Method can help get you up to speed.
Struggling to get two revolutions for every hop over the jump rope? These tips and tricks will help you dominate double unders during your next CrossFit WOD.
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.
Channel your inner cyclist and gear up for the final week of the Tour de France with this high-energy playlist from DailyBurn trainer Justin Rubin.