Turkish Airlines (Turkish: Türk Hava Yolları) (BİST: THYAO) is the national flag carrier airline of Turkey, headquartered at the Turkish Airlines General Management Building on the grounds of Atatürk Airport in Yeşilköy, Bakırköy, Istanbul. As of February 2015, it operates scheduled services to 280 destinations in Europe, Asia, Africa, and the Americas, making it the fourth-largest carrier in the world by number of destinations.
For the past 37 years, the Empire State Building Run-Up (ESBRU)—the world’s oldest and most famous tower race—challenges runners from around the globe to race up its famed 86 flights—1,576 stairs.