NEW YORK–(BUSINESS WIRE)–The Empire State Building (ESB) hosted the 48th Annual Empire State Building Observation Deck Run-Up, presented by NYU Langone Health and powered by Merrell. In several designated heats, more than 200 runners from across the world raced up the building’s 1,576 stairs to reach the finish line on the iconic 86th Floor Observation Deck. “Athletes gather from around the globe to participate in the Empire State Building Observation Deck Run-Up, the world’s preeminent tower