And how to use it effectively when you race.
By Tish Hamilton
By using heart rate to train, this runner found that to get faster, she had to slow down.
By Jason Karp
Plus, four moves to achieve a strong chest and arms now.
By Amy Bauer
Eating these spuds prerun might make for some of the most energypacked miles of your training life.
By Monica Olivas
Make way, gym rats. When runners are forced to endure indoor workouts, we're grumpy as heck.
By Megan Harrington
These healthy nobake snacks are perfect to grabandgo.
By ACTIVE.com
Today is the day. Let us guide you through 21 days of health and bliss.
By ACTIVE.com
She swore she wouldn't run unless she was being chasedthen she lost 100 pounds and ran 26.2.
By Jessica Skarzynski
Curious about your resting heart rate and what it says about your health? Dive into this comprehensive guide to learn everything you need to know a...
By Stephen Gendreau
Try these fun running games to get kids excited about exercise–and away from their screens.
By Jennifer Fox
Have you ever felt that familiar twinge in your foot after a run? Or perhaps you've experienced unexpected discomfort or blisters? The culprit migh...
By Stephen Gendreau
Running can build confidence and teach important lessons about health and fitness. Here are six more reasons to encourage your child to run.
By Sharon Wilhelm
Whether you're a beginner or an elite runner, improving your performance isn't just about what you should do.
By Marc Lindsay
Tough Mudder is all about cohesive teamwork, pushing your physical limits and getting out of your comfort zone. Are you ready?
By Nikki Chavanelle
Common knowledge tells us running is good for our cardiovascular system, but what's really going on inside our chest?
By Kim Dinan
The Mach X 2’s increased rocker profile and extended Pebax® plate brings the heat to speedwork.