215 km. 29 sections. 2 days. 1 Night. The Run Mate Lac Léman Relay is all about numbers. And, as the Marais Running Club from Paris found out, to finish it, you need team members you can count on.

When Ironman World Championships age grouper Gill Fullen realized her race shoes might have too many miles on them, she visited the On stand for advice. This is what happened next.

For trail runners around the world, there’s nothing like the great outdoors. But this gifting season, you can be a close second. Give them the gift of inspiration with our 12 picks for off-road adventure.

From stronger legs to a calmer mind and the view from the top, the benefits of hiking are endless. We explore the reasons to leave the beaten path.

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.

The Man with the Halo added a title with a difference to his collection, winning the rough and rugged off-road Iron-distance race in deepest Patagonia, Chile.

Never run a marathon in new shoes, right? Wrong. The Out of the Box Challenge hits one of China’s biggest marathons as we challenge runners to swap their regular shoes for our latest and greatest, the all-new Cloudflow. On race day.

Meet our new team member. Roger Federer is joining On not because of any sponsorship, but because of entrepreneurship. He’s here to help us shape the future of sports.

Looking for gift inspiration for the triathlete in your life? Come rain, wind, sleet or snow, they’re putting in the hard yards. So you’ve got plenty of time to browse this list while they’re out doing their thing.