[ 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.

Hooper served as a sergeant in Vietnam, from 1969 to 1970, and, like many veterans, suffers from post-traumatic stress disorder. Four years ago he discovered trail running. Now he is finally learning what it means to be at peace.

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