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ArticlesEndurance

10 Best Triathlon Cities in the U.S.

From long-time favorites to emerging hubs, here are your triathlon editor's picks for the be...

By Michelle Valenti

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Review: Timex IRONMAN One GPS+

For a lot of runners, there's nothing worse than lugging around a cell phone on a run. Could...

By Marc Lindsay

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Three Ways to Get Faster in a Single Season

Here's how to improve your pace on all your runs—even the easy ones—without gett...

By Runner's World

ArticlesEndurance

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...

By Jason R. Karp, Ph.D.

ArticlesEndurance

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

ArticlesEndurance

Mother's Day Runs in 2015

Still trying to figure out your Mother's Day plans? Skip the crowds and long lines at brunch...

By Hunter Hewitt

ArticlesEndurance

8 Unique and Quirky Races to Try in 2015

Forget the competitive 5Ks and half marathons. These are the races you hear about and wonder...

By Hunter Hewitt

ArticlesEndurance

Flat and Fast Races to Chase Your PR

Chasing a PR this spring? Check out these lightning-fast courses around the U.S.

By Mackenzie Lobby Havey

ArticlesEndurance

10 Reasons to Run with a Pace Group

If you want to PR or qualify for Boston don't go it alone. A pacer can help you reach your g...

By Rachel Toor

ArticlesEndurance

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 th...

By Mackenzie Lobby Havey