Are you bored with your running routine? Here's four easy ways to fix it fast.

By Runner's World

Fatigue is not something specific to slow or average runners—it happens to every one. ...

By Jason Karp, Ph.D.

Just because the bike leg of an Ironman is 112 miles doesn't mean all of your rides need to ...

By Endurance Nation

If you're in the hunt for a 5K or 10K PR, a slight negative split, meaning that the second h...

By Jay Johnson

Since the popularity of relays is relatively new, many participants are picking team names a...

By Jeff Gaudette

If you run the same races and distances year after year, it's time to switch things up. Here...

By Pete Rea

Beautiful scenery, wine tasting and running--what more could you ask for? Try one of these n...

By Marc Lindsay

If a machine could give you a stimulus that's close to running, would you cross-train more o...

By Sabrina Tillman Grotewold

Channel your inner leprechaun and celebrate the start of spring at a St. Patrick's Day race.

By Maile Proctor

What does it take to hit PRs you never thought possible? For triathletes, adopting these thr...

By Matt Fitzgerald