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.
Marathon runners Shalane Flanagan and Amy Cragg train together, fuel together and strategize together. Here’s how they plan to take on Rio side-by-side.
Camping is one of the most enjoyable ways get outdoors and connect with nature — provided you stay safe. Here’s what you need to know before you go.
Ever wonder what it takes to get Olympic-level fit? Here’s what beach volleyball player April Ross does to stay in gold medal shape on and off the court.
Tired of being cooped up inside? This summer, take these three HIIT workouts directly to the beach — no equipment required.
If you’re running regularly, foot pain can strike at any time. Here’s what you need to know about the most common foot injuries and how to deal.
Crossing the finish line at your first race might be easier than you think. We’ve got a 5K and 10K training plan that will help you get there. And yes, walking is allowed!
Snapchat’s unfiltered stories have made it one of the best sources of true life fitspiration. Here are our top picks for the best Snapchats to follow right now.
When progress comes to a halt, try these baller techniques to bring back the burn. Your bodyweight workout is about to get a major upgrade.
You’ve learned how to swim — but your technique is far from perfect. Get these tips from the pros to avoid common swimming mistakes and improve your form.
Runners, pack your bags for the best 10k races across the U.S., Caribbean and beyond. Cuba, Jamaica, Wine Country…here we come!
Want to run a half-marathon this year? Don’t waste your time (and money) on any ol’ race! Mark your calendar with these top 50 races across the U.S. — one from every state!
What separates a good fitness buddy from a ride-or-die pal you can’t live without? Here are the signs you’ve got yourself a sweaty soul mate.
Four-time Olympic champion Sanya Richards-Ross talks strength, sit-ups and staying power as she preps for Rio 2016. Plus, steal her favorite sprint workout, too!