A Single Switchback: Michelino Sunseri Found Guilty in Grand Teton FKT Switchback-Cutting Trial

September 4, 2025

Just over a year ago, on September 2, 2024, Michelino Sunseri, now a 33-year-old professional trail runner, tagged the summit of Wyoming’s Grand Teton and returned to the trailhead in 2 hours, 50 minutes, and 8 seconds, faster than the long-standing fastest known time (FKT) held by Andy Anderson since 2012. I.RUN.FAR