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If you are interested in running your first 5K or just haven't hit the pavement in awhile, the Couch25K program can help and motivate you to do it. The app has inspired hundreds and thousands of people to get off the couch, train and finish a 5K in less than two months.

Many scholars have argued that music is essential to the human experience. To support this claim, over the last 20+ years, it has appeared virtually wherever a fitness-related activity has occurred. But music isn’t just fun to listen to…its presence provides athletic performance benefits.

This weekend marks the conclusion of the 61st annual Over-the-Line tournament on the beaches of San Diego, where over 50,000 spectators are ready to crown another champion.

Yes, ultramarathons – races of greater length than a standard 26.2-mile marathon – can get a bit crazy. Some go upwards of 100 miles and 24 hours. But you’d be surprised just how doable something that hard can actually be.

ATLX Expert Dr. Robert Ziltzer shares his expertise on the effects of nighttime eating and tips to avoid the lure of the midnight fridge monster.

June 27, 2013 -- It's time to separate the men from the boys. We've found the following seven habits to be a successful athlete's most valuable variables.

Athletes and weekend warriors have benefited greatly from both HIIT and LISS, but which one is better for you?

Ten broken bones, annoyed girlfriends and a busy work schedule could never convince the 62-year-old writer and coach to snap his running streak. If he keeps running every day, he’ll set the record on May 26, 2014. Find out what makes him tick.