Ultramarathoner Michelino Sunseri took a shortcut in Grand Teton National Park that earned him a contested record and a ...

Lawyers argued for a day and a half in a Jackson federal courthouse about the national park’s burden for enforcing proper ...

After a two-day trial, the question of whether mountain runner Michelino Sunseri is guilty of cutting a switchback in Grand ...

After mountain runner Michelino Sunseri ascended and descended Grand Teton in record time last fall, his corporate sponsor, ...

Grilled by a federal prosecutor Tuesday morning, Kelly Halpin, a lifelong Jacksonite and professional trail runner, was ...

Court hearing is scheduled to open Tuesday in a case over a trail infraction that captured international attention.

Michelino Sunseri, 32, a professional mountain runner, completed a blistering, record-setting, round-trip of Wyoming's Grand Teton on September 2, 2024, finishing the grueling 13.2-mile route in ...

After mountain runner Michelino Sunseri ascended and descended Grand Teton in record time last fall, his corporate sponsor, ...

On September 2, mountain runner Michelino Sunseri of Idaho appeared to break the speed record for ascending and descending the 13,775-foot Grand Teton in Wyoming’s Grand Teton National Park ...