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 pre-run might make for some of the most energy-packed miles of your train...

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 no-bake snacks are perfect to grab-and-go.

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 chased--then she lost 100 pounds and ran 26.2.

By Jessica Skarzynski

If you're looking for a list of "good foods" and "bad foods," you might want to click away f...

By Esther Atkins

Runners adore Atlanta, and for good reason. Here's why it's becoming a mecca for the sport.

By McGee Nall