Vertical run at China World Trade Tower Beijing

A participant climbs steps as they compete in the China World Summit Wing Beijing Vertical Run at the China World Trade Tower 3 in Beijing, Saturday, Aug. 26, 2017. The race participants climbed 82 floors, covering a total of 2,041 steps, to the top of the 330-meter (1,083-foot) tower located in Beijing's Central Business District. [Photo: AP/Mark Schiefelbein]

Australian runner Suzy Walsham crosses the tape as the winner of the women's elite race at the China World Summit Wing Beijing Vertical Run on top of China World Trade Tower 3 in Beijing, Saturday, Aug. 26, 2017. The race participants climbed 82 floors, covering a total of 2,041 steps, to the top of the 330-meter (1,083-foot) tower located in Beijing's Central Business District. [Photo: AP/Mark Schiefelbein]

Exhausted participants walk up the steps as they compete in the China World Summit Wing Beijing Vertical Run at the China World Trade Tower 3 in Beijing, Saturday, Aug. 26, 2017. The race participants climbed 82 floors, covering a total of 2,041 steps, to the top of the 330-meter (1,083-foot) tower located in Beijing's Central Business District. [Photo: AP/Mark Schiefelbein]

Polish runner Piotr Lobodzinski, right, reaches to congratulate fellow runner Ryoji Watanabe of Japan after the men's elite race at the China World Summit Wing Beijing Vertical Run on top of China World Trade Tower 3 in Beijing, Saturday, Aug. 26, 2017. The race participants climbed 82 floors, covering a total of 2,041 steps, to the top of the 330-meter (1,083-foot) tower located in Beijing's Central Business District. [Photo: AP/Mark Schiefelbein]

Polish runner Piotr Lobodzinski, left, and Australian runner Suzy Walsham pose with their medals after winning the elite races at the China World Summit Wing Beijing Vertical Run on top of China World Trade Tower 3 in Beijing, Saturday, Aug. 26, 2017. The race participants climbed 82 floors, covering a total of 2,041 steps, to the top of the 330-meter (1,083-foot) tower located in Beijing's Central Business District. [Photo: AP/Mark Schiefelbein]

A participant climbs the last steps to finish the China World Summit Wing Beijing Vertical Run on top of China World Trade Tower 3 in Beijing, Saturday, Aug. 26, 2017. The race participants climbed 82 floors, covering a total of 2,041 steps, to the top of the 330-meter (1,083-foot) tower located in Beijing's Central Business District. [Photo: AP/Mark Schiefelbein]