42 hours, 190km, 13,700m of elevation and two summits later, On athletes Katie Schide and Germain Grangier can add conquering the Alps to their list of epic accomplishments. Here's what went down, the route they took and a Q&A.

On trail athlete Germain Grangier loves to test his limits in ultramarathons. Back in early February, our friends at Mr. Porter took a film crew deep into the French Alps to ask him a big question: Why?

Want to give running a shot but don't know where to start? We've got you. Whether you're looking to learn or want to push the pace, our easy-to-follow tips can help and put the fun into your run.

Treadmill world record breaker Florian Neuschwander reveals his top tricks for beating the ‘dreadmill’ and lists some of his favorite running machine workouts so you can try them yourself.

Dame Kelly Holmes is a two-time Olympic gold medalist on the track. The title of “Dame” is royal recognition of her services to athletics in her native UK. She is also a Colonel in the British Army and a former army judo champion. So when Dame Kelly says something is tough, you’d better believe it.

Waterproof, windproof, breathable, durable, sustainable. Introducing the Waterproof Shorts. Your first line of defense against the elements.

We crossed the border from Tanzania into Malawi in the back of a pickup truck and during that journey we were with probably 20 other Malawians. They couldn’t speak English, but they held their heads high and they smiled. We sang songs. It was just the most incredible welcome into a country...

What happens when one of the world’s best long-distance road and track runners teams up with one of the world’s best trail runners? Find out in the latest Back to the Source video, as Germain Grangier takes Chris Thompson on a wild run through the Engadin Alps.

Kirra Balmanno lives for challenges. Few people make the cut as a veterinarian. Even fewer win high-altitude ultramarathons. Yet Kirra can list both achievements on her CV. When it came to uncovering the wild trails of Georgia’s Caucasus, there was only one woman for the job. This is her first-person account of the adventure.