William Boffelli

William Boffelli is an Italian trail and skyrunning athlete from Bergamo, competing for Kailas FUGA.

A former ski mountaineering racer, Boffelli transitioned into full-time skyrunning and has since become one of the most consistently competitive athletes on the international circuit.

He is known for his versatility across vertical, marathon and ultra-distance mountain races, allowing him to challenge for victories across a wide variety of course profiles.

Boffelli also holds the speed record on Mont Blanc, further demonstrating his ability to move quickly and efficiently through technical high-mountain environments.