National Park Service No Longer Pursuing Legal Action Against Trail Runner Over Grand Teton Shortcut While U.S. Attorney’s Office Continues Prosecution The National Park Service has rescinded its support for the federal prosecution of ultrarunner Michelino Sunseri, who is facing charges after cutting a switchback during a speed record attempt on the Grand Teton last year. Sunseri, 32, of Idaho, had completed the demanding 13.2-mile round-trip route from Lupine Meadows to the 13,775-foot summit of the Grand Teton in 2 hours, […] National Parks Martin Kuprianowicz | June 9, 2025 0 Comments