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

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

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

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

Shortly after crossing the finish line Michaelino Sunseri's record-setting triumph unraveled, not due to injury, but because ...

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