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It’s not exactly fun in the moment, but after, you’ll say it was the best time you ever had

Four challenging — and fun — speed workouts that don't require you to figure out how to get to a track.

A desk jockey’s guide to not being a slouch

An unlikely band of girls build strength, win a big city victory, and leave a lasting legacy.

A new study reveals that rising temperatures are having a real impact on marathon times.

One of the best young ultrarunners in the country just served notice. Take Jared Hazen for granted no more.

What it’s like to prep for Western States 100-Mile Endurance Run—the Super Bowl of ultras—as a regular Joe (or Jason or Rachel).

What team and training secrets lie behind the Flagstaff-based Northern Arizona Elite's string of successes?

Your longest run during marathon training depends on your history, strengths, preferences, how fast you run, and what else you do during the week.

New world record for 10 marathons in 10 days? Check! Here's how Wardian is consistently one of the most prolific and successful ultrarunners of all time.

Finally, gearmakers are getting that not all female athletes are a size 6—and they’re designing performance apparel to reflect that

Your next event can tell us a lot about the warming planet

This little-known injury is difficult to diagnose but can be debilitating. Here's what to look for.

Two weeks after Kathrine Switzer made headlines at Boston in 1967, 13-year-old Maureen Mancuso quietly shattered the women's world record. Few people noticed.

Over the past three decades, Nancy Hogshead-Makar has established a reputation as the leading attorney and champion for young athletes filing sex-abuse lawsuits. Now the former Olympic swimmer faces her biggest challenge yet: making sure #metoo's impact is permanent.

Record holders Orville Rogers and Julia Hawkins know how to keep the running flame alive

Erin Jackson is the latest Olympic athlete to join the two-decade tradition 

One group of antibiotics can weaken tendons, putting you at risk for injury

Meeting up with your friends for a post-run drink could do a lot more good than you realize

Nearly two million Americans suffer from opioid addiction. Athletes haven't been able to avoid the epidemic, but they've found novel ways to alleviate pain without using prescription meds.