You’ll be surprised by how many calories you can burn just by playing your kid’s favorite ga...

By Amy Flory

These high-intensity, short duration intervals are a great way to increase your power output...

By Gale Bernhardt, Training Peaks

Being a stay-at-home mom isn’t all pajama pants and daytime TV. Until you’ve actually done i...

By Amy Flory

LaxPower app offers lacrosse fans, players and coaches ability to view and input game scores...

Runners as young as 11 are completing marathons in the United States but the question is, ho...

By Ryan Wood

Never underestimate what—or who—will motivate you.

By Runner's World

Plan your 2017 season using IRONMAN’s annual race survey data.

By Elizabeth Grimsley

Technology has provided an enormous boon to the sport of running—but when does it become too...

By Jennifer Fox

Don’t let nagging injuries derail your journey towards race day.

By Christie Aschwanden

You don’t need superpowers to commit to being healthier this year. Just use some of these st...

By Greatist