Fartlek Workouts to Elevate Your Fitness

Increase your fitness level by changing up your running routine with fartleks.

By Pete Rea

Race to the Altar: A Running Love Story

Jeff and Lucia Smith met on Active's trainer site a few years ago. This May, they held their wedding ceremony after running a mile with friends and...

By Samantha Guzman

3 Ways to Get Faster in Four Weeks

What's the quickest way to run faster in four weeks? Check out these three secrets.

By Sarah Crouch

The Best Shoes for Speed

Want to add a pop to your stride and shave a few seconds off your 5K or 10K time? Add one of these racing flats or fast, lightweight trainers to yo...

By Amanda Casanova

The Secret Sauce to Building Your Aerobic Base

Do you get injured as you increase your mileage? Find out how to build a base safely without getting injured and to run faster than ever.

By Jason R. Karp, Ph.D.

A Guide to Age Grading for Runners

Find out how you can use age grading to give perspective to your masters results.

By Runner's World

10Ks for Spring and Summer 2015

Increase your mileage and make the leap to the 10K in 2015. We've chosen the best 10Ks in the U.S. for your next PR.

By Mackenzie Lobby Havey

One Equals Two: Two Bangs for One Workout Buck

Want to get more out of your workouts? Try this new way to run a single workout for two benefits.

By Rashelle Brown