[ Print Cover Story ] Four years ago, the Minnesota phenom won historic Olympic gold in cross-country skiing, alongside Kikkan Randall. In the process, she rocketed both herself and her sport to new levels of fame.

[ Digital Feature ] Technological advances and a growing line of research have paved the way for a new class of support systems that are comfortable, look good, and fit a wide(r) variety of bodies.

[ Digital Feature ] “I didn’t think people would give the Barkley a chance,” he says, “I didn’t think that people would say, Yeah, let’s go put ourselves through the excruciating limits of endurance and think we’re going to fail for multiple days, because it’ll be so great.” He was wrong.

Breast-cancer survivor Alison Chavez runs at the back of the pack, but she is a champion.

Who is Jason Koop, the coach behind today's top ultrarunners?

[ Print Feature ] The fellsides of England's Lake District are steeped in legends of locals who many argue are among the best athletes Britain has ever seen. Yet, mention their names outside the Lakes and you are likely to be met with blank stares. That’s because fell running is still a locals’ sport, beholden to the traditions, history and culture of the specific region from which it was born.

Robert “Raven” Kraft has run almost 15,000 consecutive days—40 years—on the same stretch of Miami beach and inspired a cult following.

Running shoes, technical apparel, sports equipment, oh my! These are all among the products whose price tags could be impacted negatively by the trade war with China.

Clif Bar has issued a challenge to one of its biggest competitors, Kind Snacks.

According to the League of American Bicyclists, more cyclists died on U.S. roads in 2016 than at any other time in the past quarter-century. But that doesn't show the whole picture.

Former NRA president Marion Hammer set off a maelstrom of fury Friday when she wrote a letter stating that Yeti coolers had announced it would stop doing business with the NRA “suddenly, without prior notice.”

Last week, camouflage brand Realtree sued West, alleging he ripped off one of its patterns for his Yeezy apparel line. But an oak-leaf print is an oak-leaf print, right?

Companies making gear from aluminum and steel—everything from camp stoves to bike frames—will be hit hardest by the new tariffs, economists say.

The parent company owns outdoor brands like CamelBak and Giro, as well as Savage Arms, a manufacturer of AR-15-style semi-automatic rifles

Say one of your favorite hydration-pack brands has a parent company that also owns a semi-automatic rifle maker. Should you stop buying the gear? We asked three ethicists for their opinions.

The Grand Canyon double-crossing record has been her number-one goal since she started trail running three years ago.

The Spanish mountain runner was aiming to set a new fastest-known time on the mountain's north side.

Carbon offsets are an easy way to mitigate the impact of your travel, but they're not the only way—and you don't necessarily have to shell out money to make a difference.

The recycled-plastic ball picks up synthetic fibers shed from your clothing in the wash—before they go down the drain

These mailers, made from upcycled vinyl billboards, can be used up to 2,000 times

The clothing company has, once again, come out against the Trump Administration for its handling of public lands

Several testers and I spent three months checking out support systems from dozens of brands. Ultimately, we landed on four top contenders that each fill a specific niche for different activities and body types.

In the past few years, trail runners from the French gear company have started showing up on runways. Why?

Just because your shirt is made from eco-friendly recycled water bottles doesn't mean it won't still end up in a landfill. The Renewal Workshop wants to stop that—which means a cleaner planet and way cheaper gear.

Your next puffy coat could be biodegradable—at least, the fill inside of it could be. On Tuesday, New York-based Primaloft announced its new Bio insulation, a 100 percent recycled synthetic that the company claims fully degrades once it gets relegated to the dump.

4 women's-specific running vests

From minimalist mountain racers to surprisingly techy maximalists, there’s no need to compromise.