Discover Taming Giants. A mixed-media production blending animation and video to capture the incredible story of On athletes Katie Schide and Germain Grangier’s greatest adventure to date: climbing, hiking and running from Cervinia, Italy, to Chamonix, France.

It was a winning weekend for On athletes and ultra-trail running duo Katie Schide and Germain Grangier. The pair took on their first ultra race of the year at the Ultra Trail Côte d’Azur Mercantour – a 130km course with 8,700m of elevation gain. We caught up with the trail champions to find out how it went on race day and more on what’s to come.

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.

Go on, open up your pack and tell us all about the items you can’t be without. Okay, we’ll go first. We asked On athletes and community members to give us an inside look into their essential everyday items.

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?

Best way to learn? Learn from the best. Discover how our top athletes plan to take their training to the next level this year, how they set their running goals, and get the inside track on how they prepare mentally and physically.

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.

On athletes Katie Schide and Germain Grangier both finished in the top 10 at their first-ever Ultra-Trail du Mont-Blanc® race this weekend. We've got their reactions and photos.

3 countries. 7 races. 100 nationalities. 10,000 runners. It can only be the UTMB®. We preview the world's biggest trail running event and chat to the On athletes gunning for glory.